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- C40 Cities Climate Leadership GroupClimate change organization
- Cabo Gracias a DiosCabo Gracias a Dios is a cape located in the middle of the east coast of Central America,
- Cadmium cycleThe cadmium cycle is a biogeochemical cycle of dispersion and deposition of cadmium throug
- Cadomian OrogenyTectonic event(s) in the late Neoproterozoic
- CairngormsMountain range in the eastern Highlands of Scotland
- Calabrian stageSubdivision of the Pleistocene Epoch
- CalaveriteTelluride of gold
- Calc-alkaline magma seriesSubdivision of the subalkaline magma series
- CalcareousAdjective meaning mostly or partly composed of calcium carbonate
- Calcareous nannofossilsClass of microscopic fossils
- CalcificationAccumulation of calcium salts in bodily tissue, usually bone
- CalciteCalcium carbonate mineral
- Calcite seaAspect of marine historical geology
- Calcium cycleTransfer of calcium between dissolved and solid phases
- Calcium loopingCarbon dioxide capture technology
- Calcium silicateChemical compound naturally occurring as the mineral larnite
- Calcium–aluminium-rich inclusionAsteroid with an inclusion with high quantities of calcium and aluminium
- CalderaCauldron-like volcanic feature formed by the emptying of a magma chamber
- Caleta HornosCaleta Los Hornos is a seaside town in the commune of La Higuera, in Elqui Province, in th
- CalicheCalcium carbonate based concretion of sediment
- California Air Resources BoardClean air agency in California, United States
- California Coastal CommissionState agency regulating coastal land use
- California drought manipulation conspiracy theoryWeather modification conspiracy theory
- California Health and Safety CodeThe California Health and Safety Code is the codification of general statutory law coverin
- California landslidesLandslides in California occur mainly due to intense rainfall but occasionally are trigger
- CalomelCalomel is a mercury chloride mineral with formula Hg2Cl2 (see mercury(I) chloride). It wa
- CalpionellidCalpionellids are an extinct group of eukaryotic single celled organisms of uncertain affi
- CambrianFirst geological period of the Paleozoic Era
- Cambrian explosionPeriod of major evolutionary diversification of animal life
- Cambrian substrate revolutionDiversification of animal burrowing
- Cambrian–Ordovician extinction eventMass extinction event about 488 million years ago
- CamelinaCamelina is a genus within the flowering plant family Brassicaceae. The Camelina species,
- Camp Grove, IllinoisCamp Grove is an unincorporated community in Marshall County, Illinois, United States, loc
- Campina (biome)Neotropical ecoregion in the Amazon biome
- CampinaranaEcoregion in Brazil, Colombia, and Venezuela
- Canadian Arctic Rift SystemNorth American geological structure
- Canadian Cascade ArcCanadian segment of the North American Cascade Volcanic Arc
- Canadian Hurricane CentreThe Canadian Hurricane Centre (CHC; French: Centre canadien de prévision des ouragans) is
- Canadian weather radar networkWeather radars used by the Environment and Climate Change Canada
- Canary hotspotVolcanically active region off the coast of Africa
- Caninia (coral)Caninia is an extinct genus of rugose coral. Its fossils occur worldwide from the Devonian
- Cannel coalType of bituminous coal or oil shale
- CanoonaCanoona is a rural locality in the Livingstone Shire, Queensland, Australia. It was the si
- Canton, TexasCanton is a city in and the county seat of Van Zandt County in East Texas, United States.
- CanyonDeep chasm between cliffs
- Canyon Diablo (meteorite)Iron meteorite from Meteor Crater used as sulfur isotopic reference material
- Canyonlands National ParkNational park in Utah, United States
- Canyons of the Escalante37°25′41″N 110°58′52″W / 37.428°N 110.981°W
- Cap and dividendCap and dividend is a market-based trading system which retains the original capping metho
- Cap de CreusThe Cap de Creus (Cabo de Creus in Spanish) is a peninsula and a headland located at the f
- Capacity buildingProcess within NGOs and non-profits
- Cape (geography)Large headland extending into a body of water, usually the sea
- Cape Fold BeltPaleozoic fold and thrust belt in South Africa
- Cape PeninsulaRocky peninsula in the Western Cape, South Africa
- Cape RomanoCape Romano is a cape on the Gulf Coast of Florida, United States. It is on Cape Romano Is
- Cape Town water crisis2017–2018 water shortage in South Africa
- Cape Verde hurricaneType of Atlantic hurricane
- Cape York meteoriteVery large iron meteorite from Greenland
- Capillary fringeSubsurface layer in which groundwater seeps up from a water table by capillary action
- Capitanian mass extinction eventExtinction event around 260 million years ago
- Capitol Reef National ParkNational park in Utah, United States
- Carbon accountingProcesses used to measure emissions of carbon dioxide equivalents
- Carbon BriefBritish climate change news site
- Carbon bubbleHypothesized economic bubble involving fossil-fuel energy producers
- Carbon budgetLimit on carbon dioxide emission for a given climate impact
- Carbon capture and storageProcess of capturing and storing carbon dioxide from industrial flue gas
- Carbon capture and utilizationCarbon capture and utilization (CCU) is the process of capturing carbon dioxide (CO2) from
- Carbon cycleNatural processes of carbon exchange
- Carbon dioxide clathrateSnow-like crystalline substance composed of water ice and carbon dioxide
- Carbon dioxide in the atmosphere of EarthAtmospheric constituent and greenhouse gas
- Carbon dioxide removalRemoval of atmospheric carbon dioxide through human activity
- Carbon emission tradingApproach to limit climate change
- Carbon farmingAgricultural methods that capture carbon
- Carbon footprintConcept for greenhouse gas emissions analysis
- Carbon leakageUnintended increase in greenhouse gas emissions
- Carbon lock-inCarbon lock-in refers to the self-perpetuating inertia created by large fossil fuel-based
- Carbon MarketThe Carbon Market is the largest market in Cebu City, Philippines. It is the oldest market
- Carbon market in IndiaMarket in India for greenhouse gas emissions
- Carbon Neutrality CoalitionInternational environment organization
- Carbon offsets and creditsCarbon dioxide reduction scheme
- Carbon Offsetting and Reduction Scheme for International AviationVoluntary ICAO greenhouse gas emissions scheme
- Carbon priceGreenhouse gas emission market
- Carbon pricing in AustraliaCarbon pricing scheme introduced in 2011
- Carbon profilingCalculation of annual carbon dioxide emissions from building space
- Carbon quantitative easingProposed unconventional monetary policy in international climate policy
- Carbon sequestrationStoring carbon in a carbon pool
- Carbon sinkReservoir absorbing more carbon from, than emitting to, the air
- Carbon storage in the North SeaStorage of carbon dioxide in the North Sea
- Carbon taxTax on carbon emissions
- Carbon-neutral fuelType of fuel which have no net greenhouse gas emissions
- Carbon-to-nitrogen ratioChemical ratio in organic materials
- Carbonate compensation depthDepth in the oceans below which no calcium carbonate sediment particles are preserved
- Carbonate mineralMinerals containing the carbonate ion
- Carbonate platformSedimentary body with topographic relief composed of autochthonous calcareous deposits
- Carbonate rockClass of sedimentary rock
- Carbonate–silicate cycleGeochemical transformation of silicate rocks
- CarbonatiteIgneous rock with more than 50% carbonate minerals
- CarboniferousFifth period of the Paleozoic Era
- Carboniferous rainforest collapseExtinction event at the end of the Moscovian in the Carboniferous
- Cárdenas, San Luis PotosíCárdenas is a municipality and city in the Mexican state of San Luis Potosí.
- Caribbean plateTectonic plate in Central America and the Caribbean
- Carlin–type gold depositSediment-hosted disseminated gold deposit
- Carmichael coal mineCoal mine in Queensland, Australia
- CarnalliteEvaporite mineral
- Carnarvon BasinThe Carnarvon Basin is a geological basin located in the north west of Western Australia w
- CarnelianRed-orange chalcedony variety
- CarnotiteRadioactive mineral
- Carolina SandhillsRegion of the southeast United States
- CarolinasU.S. states of North Carolina and South Carolina
- Caroline plateMinor oceanic tectonic plate north of New Guinea
- Carr (landform)A carr is a type of waterlogged wooded terrain that, typically, represents a succession st
- Carr Fire2018 wildfire in Northern California
- Carr Fire tornado2018 fire tornado in California, U.S.
- CarrosioCarrosio is a comune (municipality) in the Province of Alessandria in the Italian region P
- Cash, South CarolinaCash is an unincorporated community and census-designated place (CDP) in Chesterfield Coun
- Cashion, OklahomaCashion is a town in Kingfisher and Logan counties in the U.S. state of Oklahoma. The Loga
- Casing (borehole)Casing is a large diameter pipe that is assembled and inserted into a recently drilled sec
- CassiteriteTin oxide mineral
- Castile FormationGeologic formation in New Mexico and Texas, US
- Castle BankFossil deposit in Wales
- Cat CaysThe Cat Cays are two islands in the Bahamas, North Cat Cay and South Cat Cay, approximatel
- CataclasiteRock found at geological faults
- Cataclastic rockA cataclastic rock is a type of fault rock that has been wholly or partly formed by the pr
- Cataract CanyonCataract Canyon is a 46-mile-long (74 km) canyon of the Colorado River located within Cany
- CatastrophismGeological theory of abrupt, severe change
- Catena (soil)Sequence of soils on a slope
- Cathedral FormationThe Cathedral Formation is a stratigraphic unit in the southern Canadian Rockies of Albert
- Cation-exchange capacityMeasure of soil chemistry
- Causes of climate changeThe scientific community has been investigating the causes of current climate change for d
- Cauto RiverThe Cauto River or Río Cauto is the longest river in Cuba, as well as the longest river in
- CaveNatural void under a planetary surface
- Cave of El SoplaoCave in Cantabria, Spain
- Cave of the CrystalsMexican cave renowned for its giant crystals
- CavingRecreational pastime of exploring cave systems
- Cayman TroughThe Cayman Trough (also known as the Cayman Trench, Bartlett Deep and Bartlett Trough) is
- Cedar Fire2003 wildfire in Southern California
- Cedar Mountain FormationGeologic formation in the United States
- Ceiling (aeronautics)Maximum altitude an aircraft can reach
- Ceiling balloonBalloon observed to determine the height of the base of clouds
- CeilometerGround-based lidar for cloud height measurement
- Celestine (mineral)Sulfate mineral
- Cement kilnHigh temperature rotating oven used for producing clinker
- Cementation (geology)Process of chemical precipitation bonding sedimentary grains
- CenomanianEarliest age of the Late Cretaceous Epoch
- CenoteNatural pit or sinkhole that exposes groundwater underneath
- CenozoicThird and current era of the Phanerozoic Eon
- Center for International Forestry ResearchNon-profit scientific research organization
- Center for Microbial Oceanography: Research and EducationResearch and education organization
- Centerville, TennesseeCenterville is a town in Hickman County, Tennessee, United States. The population was 3,48
- Central America Volcanic ArcChain of volcanoes parallel to the Pacific coastline from Mexico to Panama
- Central American gyreThe Central American gyre (CAG) is a broad and seasonal area of low pressure that occurs o
- Central Asian Orogenic BeltPhanerozoic accretionary orogen
- Central dense overcastLarge central area of thunderstorms surrounding its circulation center
- Central MinnesotaCentral Minnesota is the central part of the state of Minnesota. No definitive boundaries
- Central New YorkThe central region of New York state includes:
- Central OklahomaCentral Oklahoma is the geographical name for the central region of the U.S. state of Okla
- Central Pacific Hurricane CenterUnited States National Weather Service body
- Central QueenslandCentral Queensland is an imprecisely-defined geographical division of Queensland (a state
- Central Valley land subsidenceThe Central Valley in California subsides when groundwater is pumped faster than undergrou
- Centro Sismológico NacionalThe National Seismological Center of the University of Chile (Spanish: Centro Sismológico
- Cerro Bandera FormationGeologic formation in Neuquén Province, Argentina
- Certified emission reductionType of carbon emission credit
- CesaniteCesanite is the end member of the apatite-wilkeite-ellestadite series that substitutes all
- Cesano (RM)Cesano is the 52nd zona of Rome, Italy, identified by the initials Z. LII. It takes its na
- ChalcanthiteSulfate mineral
- ChalcedonyMicrocrystalline or cryptocrystalline form of silica
- ChalcociteChalcocite (), copper(I) sulfide (Cu2S), is an important copper ore mineral. It is opaque
- ChalcopyriteCopper iron sulfide mineral
- ChalkSoft carbonate rock
- Chalk GroupStratigraphic unit in England
- Chalonnes-sur-LoireChalonnes-sur-Loire is a commune in the Maine-et-Loire department in western France. It is
- Chaman FaultGeological fault in Pakistan and Afghanistan
- ChambersiteManganese borate mineral
- ChamositeChamosite is the Fe2+end member of the chlorite group. A hydrous aluminium silicate of iro
- Chandler wobbleSmall deviation in the Earth's axis of rotation relative to the solid earth
- Changesite-(Y)Mineral in basalt particles on the Moon
- Changing roomRoom where one can change their clothes
- Chaotian (geology)Proposed era of the Hadean eon
- Chapada DiamantinaChapada Diamantina (; Portuguese for the "Diamond Plateau") is a region of Bahia state, in
- ChaparralShrubland plant community in western North America
- Charles BarroisFrench geologist and palaeontologist (1851–1939)
- Charles Cathcart, 2nd Earl CathcartGeneral Charles Murray Cathcart, 2nd Earl Cathcart GCB, FRSE (21 December 1783 – 16 July 1
- Charles Henry HitchcockAmerican geologist (1836–1919)
- Charles LapworthEnglish geologist (1842–1920)
- Charles Peter BerkeyCharles Peter Berkey (March 25, 1867-April 22, 1955) was an American geologist, notable as
- Charles W. GilmoreAmerican paleontologist
- Charles-Victor MauguinCharles-Victor Mauguin (French: ; 19 September 1878 – 25 April 1958), more often Charles M
- Charlie–Gibbs fracture zoneOceanic feature on the Mid-Atlantic Ridge
- Chart datumA chart datum is the water level surface serving as origin of depths displayed on a nautic
- Chartered ScientistChartered Scientist (CSci) is a professional qualification in the United Kingdom that is a
- ChatoyancyIn gemology, chatoyancy ( shə-TOY-ən-see), also called chatoyance or the cat's eye effect,
- Chelyabinsk meteorNear-Earth asteroid that fell over Russia in 2013
- ChemoclineA chemocline is a type of cline, a layer of fluid with different properties, characterized
- ChemostratigraphyConcept and techniques in geology
- Chemtrail conspiracy theoryConspiracy theory about contrails
- ChertHard, fine-grained sedimentary rock composed of cryptocrystalline silica
- Cheshire BasinSedimentary basin in England
- Chicago Mercantile Exchange Hurricane IndexThe Chicago Mercantile Exchange Hurricane Index (CMEHI) is an index which describes the po
- Chichinales FormationGeological formation in Argentina
- Chile triple junctionPlace where the South American, Nazca and Antarctic tectonic plates meet
- China tropical cyclone rainfall climatologyChina is a mountainous country, which leads to rapid dissipation of cyclones that move inl
- Chinese national carbon trading schemeIntensity based trading system for carbon dioxide emissions by China
- Chinle FormationGeological formation in the western US
- Chinook windWarm, dry wind in North America
- ChipaqueChipaque is a municipality and town in the Eastern Province of the department of Cundinama
- Chipaque FormationGeological formation in the Colombian Andes
- ChitinozoanGroup of marine microfossils
- ChlorargyriteMineral form of silver chloride
- Chlorine cycleBiogeochemical cycling of chlorine
- Chlorite groupGroup of phyllosilicate minerals
- ChondriteClass of stony meteorites made of round grains
- Chondrites (genus)Chondrites is a trace fossil ichnogenus, preserved as small branching burrows of the same
- ChondruleRound grain found in chondrites, stony meteorites
- Chosen, FloridaChosen is a ghost town in Palm Beach County, Florida near Belle Glade, Florida and Lake Ok
- Chota Nagpur PlateauPlateau in eastern India
- Christian Leopold von BuchGerman geologist (1774–1853)
- Christmas 1994 nor'easterCyclone
- Christmas Flood of 1717December 1717 North Sea storm
- Christmas flood of 1964Major flood in the United States
- Christopher FieldAmerican scientist
- Christopher LandseaChristopher William "Chris" Landsea is an American meteorologist, formerly a research mete
- Christopher ScoteseChristopher R. Scotese (born 4 May 1953) is an American geologist and paleogeographer. He
- ChromiteCrystalline mineral
- Chronological datingMethods for estimating a realistic date for an event or object
- Chronology of continentsA continent is a large geographical region defined by the continental shelves and the cult
- ChronostratigraphyBranch of stratigraphy that studies the ages of rock strata in relation to time
- ChronozoneUnit in chronostratigraphy
- ChrysoberylMineral or gemstone of beryllium aluminate
- ChrysocollaPhyllosilicate mineral
- ChrysotileMost commonly encountered form of asbestos
- Chuanlinggou FormationGeologic formation in China
- Cianjhen District22°36′02″N 120°18′53″E / 22.60062°N 120.314785°E
- Cienfuegos ProvinceCienfuegos (Spanish pronunciation: ) is one of the provinces of Cuba. The capital city of
- Cikobia-i-Lau17°16′53″S 178°47′11″W / 17.28139°S 178.78639°WCikobia-i-Lau, or Cirikalia, is an island i
- Cimmeria (continent)Ancient string of microcontinents that rifted from Gondwana
- Cinder coneSteep hill of pyroclastic fragments around a volcanic vent
- CinnabarRed mercury(II) sulfide mineral, HgS
- CirqueAmphitheatre-like valley formed by glacial erosion
- Cirrocumulus cloudGenus of high-altitude clouds
- Cirrostratus cloudGenus of atmospheric cloud
- Cirrostratus nebulosusForm of cirrostratus cloud
- Cirrus cloudGenus of atmospheric cloud
- Cirrus cloud thinningProposed form of climate engineering
- Cities for Climate Protection programThe Cities for Climate Protection program (CCP) is one of three major global transnational
- Citizen Weather Observer ProgramNetwork of weather stations based in the United States
- Citizens for Pennsylvania's FutureAmerican nonprofit advocacy organization
- Citizens' Climate LobbyUS climate advocacy organization
- Clarence KingAmerican geologist (1842–1901)
- Clarens FormationThe Clarens Formation is a geological formation found in several localities in Lesotho and
- Classifications of snowMethods for describing snowfall events and the resulting snow crystals
- Clastic rockSedimentary rocks made of mineral or rock fragments
- Clathrate gun hypothesisMeteorological hypothesis
- Clathrate hydrateCrystalline solid containing molecules caged in a lattice of frozen water
- CLAW hypothesisHypothesised negative feedback loop linking marine biota and the climate
- Claxton, Anderson County, TennesseeClaxton is an unincorporated community in Anderson County in the U.S. state of Tennessee.
- ClayFine grained natural soil
- Clay mineralFine-grained aluminium phyllosilicates
- Clay OpeClay Ope is on the west side of the Isle of Portland in Dorset, England. It forms part of
- Clean Development MechanismUN-run carbon offset scheme
- Clean Energy RegulatorThe Clean Energy Regulator (CER) is an Australian independent statutory authority responsi
- Clean fuelFuel which burns with lower emissions
- Clean growthClean growth is goal 7 of the UN's sustainability goals, first published in 2009. Clean gr
- Clean Power PlanUnited States energy plan from President Obama
- Clean technologyAny process, product, or service that reduces negative environmental impacts
- Clean-burning stoveStove with reduced toxic emissions
- Clear-air turbulenceTurbulent movement of transparent air masses
- Cleavage (crystal)Tendency of crystalline materials to split along favored planes
- Cleavage (geology)Planar fabric in rock
- Clement ReidBritish geologist and palaeobotanist (1853–1916)
- CliffTall, near vertical rock face
- Cliffed coastCoast where waves have formed steep cliffs
- ClimateLong-term weather pattern of a region
- Climate Action AfricaClimate resilience organization
- Climate Action TrackerClimate Action Tracker (CAT) is an independent scientific project with the aim of monitori
- Climate and Clean Air Coalition to Reduce Short-Lived Climate PollutantsThe Climate and Clean Air Coalition (CCAC) is a voluntary partnership of over 200 governme
- Climate and energyList of Climatological research organizations
- Climate apocalypseTerm to describe possible catastrophic events due to climate change
- Climate CentralClimate Central is a nonprofit news organization that analyzes and reports on climate scie
- Climate changeHuman-caused changes to climate on Earth
- Climate Change (Scotland) Act 2009Act of the Scottish Parliament
- Climate Change Act 2008Act of Parliament of the United Kingdom
- Climate change and birdsSignificant work has gone into analyzing the effects of climate change on birds. Like othe
- Climate change and childrenStudy of the effects of climate change on children
- Climate change and citiesClimate change and cities are deeply connected. Cities are one of the greatest contributor
- Climate change and civilizational collapseDiscussion of scenarios for a collapse of civilization due to climate change
- Climate change and crimeResearch suggests a complex relationship
- Climate change and fisheriesFisheries are affected by climate change in many ways: marine aquatic ecosystems are being
- Climate change and genderClimate change affects men and women differently. Climate change and gender is a research
- Climate change and indigenous peoplesClimate change disproportionately impacts indigenous peoples around the world when compare
- Climate change and povertyCorrelation of disproportionate impacts of climate on impoverished people
- Climate change artArt inspired by climate change
- Climate Change CommissionCrown entity in New Zealand
- Climate change denialDenial of the scientific consensus on climate change
- Climate change feedbacksFeedback related to climate change
- Climate change in AfricaEmissions, impacts and responses of the African continent related to climate change
- Climate change in AlaskaClimate change in the US state of Alaska
- Climate change in AlgeriaClimate change in Algeria has wide-reaching effects on the country. Algeria was not a sign
- Climate change in AntarcticaImpacts of climate change on Antarctica
- Climate change in ArgentinaEmissions, impacts and responses of Argentina related to climate change
- Climate change in AsiaClimate change is particularly important in Asia, as the continent accounts for the majori
- Climate change in AustraliaImpacts of climate change on Australia and responses
- Climate change in BangladeshEmissions, effects and responses of Bangladesh related to climate change
- Climate change in BrazilEmissions, impacts and responses of Brazil related to climate change
- Climate change in CaliforniaClimate change in California has resulted in higher than average temperatures, leading to
- Climate change in CanadaEmissions, impacts and responses of Canada related to climate change
- Climate change in ChinaEmissions, impacts and responses of China related to climate change
- Climate change in CyprusEmissions, impacts and responses of Cyprus related to climate change
- Climate change in EgyptClimate change is causing Egypt's already hot and arid climate to experience environmental
- Climate change in EswatiniEswatini, a landlocked nation located in Southern Africa, is characterized by a subtropica
- Climate change in EuropeEmissions, effects, and responses of Europe related to climate change
- Climate change in FijiEmissions, impacts and responses of Fiji related to climate change
- Climate change in FinlandEmissions, effects, and responses of Finland related to climate change
- Climate change in GreeceThe climate of Greece is changing by way of increased drought, flooding, wildfires and sea
- Climate change in GreenlandClimate change in Greenland is affecting the livelihood of the Greenlandic population. Geo
- Climate change in GuatemalaEmissions, impacts and responses of Guatemala related to climate change
- Climate change in HondurasEmissions, impacts and responses of Honduras related to climate change
- Climate change in IndiaEmissions, effects and responses of India related to climate change
- Climate change in IndianaClimate change in the US state of Indiana
- Climate change in IndonesiaEmissions, impacts and responses of Indonesia
- Climate change in IranEmissions, impacts and responses in Iran related to climate change
- Climate change in IraqEmissions, impacts and responses of Iraq related to climate change
- Climate change in JapanEmissions, impacts and responses of Japan related to climate change
- Climate change in KenyaEmissions, impacts and responses of Kenya related to climate change
- Climate change in KyrgyzstanClimate change is evident in Kyrgyzstan. Among the countries in Eastern Europe and Central
- Climate change in LesothoEmissions, impacts and responses of the Lesotho related to climate change
- Climate change in LiberiaEmissions, impacts and responses of Liberia related to climate change
- Climate change in LibyaLibya is highly vulnerable to the effects of climate change and underprepared to deal with
- Climate change in MadagascarEffects and responses to climate change in the African island country
- Climate change in MalawiMalawi is a land-locked country in southeastern Africa situated along the southernmost arm
- Climate change in MauritiusEmissions, impacts and responses of Mauritius related to climate change
- Climate change in MexicoEmissions, impacts and responses of Mexico related to climate change
- Climate change in MozambiqueMozambique is one of the most vulnerable countries to climate change. With a large proport
- Climate change in NamibiaClimate change is the consequence of long-term alterations in the Earth's climate caused b
- Climate change in NepalEmissions, impacts and responses of Nepal related to climate change
- Climate change in New York CityClimate change in New York City could affect buildings and infrastructure, wetlands, water
- Climate change in NicaraguaClimate change in Nicaragua carries significant implications for the Central American coun
- Climate change in NigeriaEmissions, impacts and response of Nigeria related to climate change
- Climate change in North KoreaEmissions, impacts and responses of North Korea related to climate change
- Climate change in NorwayEmissions, impacts and response of Norway related to climate change
- Climate change in PakistanEmissions, impacts and responses of Pakistan related to climate change
- Climate change in PennsylvaniaClimate change in the US state of Pennsylvania
- Climate change in PolandEmissions, impacts and responses of Poland related to climate change
- Climate change in popular cultureReferences to climate change in popular culture have existed since the late 20th century a
- Climate change in Puerto RicoClimate change in the US territory of Puerto Rico
- Climate change in RussiaEmissions, impacts and responses of Russia related to climate change
- Climate change in SaskatchewanEffects of climate change in the Canadian province
- Climate change in Saudi ArabiaClimate change is having significant and diverse impacts, like higher temperatures, lower
- Climate change in ScotlandEmissions, impacts and responses of Scotland related to climate change
- Climate change in South AfricaEmissions, impacts and responses of South Africa related to climate change
- Climate change in South DakotaClimate change in the US state of South Dakota
- Climate change in SpainClimate change has caused temperatures in the world to rise in the last few decades, and t
- Climate change in Sri LankaEmissions, impacts and responses of Sri Lanka related to climate change
- Climate change in SyriaThe effects of climate change in Syria are considerable. It has adverse effects on the liv
- Climate change in TaiwanEmissions, impacts and responses of Taiwan related to climate change
- Climate change in TennesseeClimate trends and environmental impacts in the U.S. state of Tennessee
- Climate change in the ArcticImpacts of climate change on the Arctic
- Climate change in the CaribbeanEmissions, impacts and responses of the Caribbean region related to climate change
- Climate change in the MaldivesClimate change is a major issue for the Maldives. As an archipelago of low-lying islands a
- Climate change in the Marshall IslandsClimate change in the Marshall Islands is a major issue for the country. As with many coun
- Climate change in the Middle East and North AfricaEmissions, impacts and responses of the MENA region related to climate change
- Climate change in the NetherlandsEmissions, impacts and responses of the Netherlands related to climate change
- Climate change in the Republic of IrelandEmissions, effects, and responses of Ireland related to climate change
- Climate change in the United StatesEmissions, impacts and responses of the United States related to climate change
- Climate change in TurkeyImpact of global warming on Turkey, mitigation of and adaptation to it
- Climate change in TuvaluEmissions, impacts and responses of Tuvalu related to climate change
- Climate change in VirginiaClimate change in the US state of Virginia
- Climate change in Washington, D.C.Climate change in Washington, D.C., is marked by rising temperatures, increased rainfall a
- Climate change in ZimbabweEmissions, impacts and responses of the Zimbabwe related to climate change
- Climate change litigationUse of legal practice to further climate change mitigation
- Climate change mitigationActions to reduce net greenhouse gas emissions to limit climate change
- Climate Change Performance IndexRanking of countries according to climate protection efforts
- Climate change policy of CaliforniaAs the most populous state in the United States, California's climate policies influence b
- Climate change policy of the United StatesThe climate change policy of the United States has major impacts on global climate change
- Climate Change Response (Zero Carbon) Amendment ActThe Climate Change Response (Zero Carbon) Amendment Act 2019 is an Act of Parliament in Ne
- Climate change scenarioHypothetical representation of potential future conditions
- Climate Change Science ProgramUS Climate Change organization
- Climate change video gameA climate change video game, also known as a global warming game, is a type of serious gam
- Climate change vulnerabilityConcept regarding strength of impact of climate change
- Climate classificationSystems that categorize the world's climates
- Climate ClockPublic countdown of time until 1.5°C of global warming
- Climate communicationEnvironmental and science communication
- Climate CouncilAustralian climate change organisation
- Climate debtClimate change debt concept
- Climate emergency declarationEmergency proclaimed due to climate change
- Climate Emergency FundLos Angeles based nonprofit organization
- Climate ensembleA climate ensemble involves slightly different models of the climate system. The ensemble
- Climate envoyGovernment representative for international climate policy
- Climate fictionFiction in a setting defined in part by climate crisis
- Climate financeType of investment in the context of climate action
- Climate finance in the United StatesClimate financing in the US
- Climate governanceType of governance
- Climate inertiaSlow response of complex feedback systems
- Climate justiceConcept for social justice in climate change context
- Climate migrationPersons fleeing from climate change effects
- Climate modelQuantitative methods used to simulate climate
- Climate of AfricaThe climate of Africa is a range of climates such as the equatorial climate, the tropical
- Climate of AlabamaThe state of Alabama is classified as humid subtropical (Cfa) under the Köppen climate cla
- Climate of AlaskaThe climate of Alaska is determined by average temperatures and precipitation received sta
- Climate of AlbaniaAlbania has a variety of climate systems. With its coastline facing the Adriatic and Ionia
- Climate of AntarcticaThe climate of Antarctica is the coldest and driest on Earth. Antarctica averages 166 mm (
- Climate of ArgentinaThe climate of Argentina varies from region to region, as the vast size of the country and
- Climate of ArmeniaIn Armenia, climates vary from cold desert and cold steppe on the lower parts of the Arara
- Climate of AsiaThe climate of Asia is dry across its southwestern region. Some of the largest daily tempe
- Climate of AustraliaThe climate of Australia is the second driest of any continent, after Antarctica. Accordin
- Climate of AzerbaijanThe climate of Azerbaijan is very diverse. Nine out of eleven existing climate zones are p
- Climate of BrazilThe climate in Brazil varies considerably from mostly tropical north (the equator traverse
- Climate of CaliforniaThe climate of California varies widely from hot desert to alpine tundra, depending on lat
- Climate of ChileThe climate of Chile comprises a wide range of weather conditions across a large geographi
- Climate of ChinaNational climate
- Climate of CyprusCyprus has a subtropical climate, Mediterranean and semi-arid type (Csa and BSh) according
- Climate of DelhiDelhi features a humid subtropical climate (Köppen Cwa). This features very hot summers ac
- Climate of EuropeEurope is generally characterized by a temperate climate. Most of Western Europe has an oc
- Climate of FranceThe climate of France is the statistical distribution of conditions in the Earth's atmosph
- Climate of GhanaThe climate of Ghana is tropical. The eastern coastal belt is warm and comparatively dry,
- Climate of GreeceThe climate in Greece is predominantly Mediterranean. However, due to the country's comple
- Climate of GreenlandGreenland's climate is a tundra climate (Köppen ET) on and near the coasts and an ice cap
- Climate of IllinoisThe Climate of Illinois describes the weather conditions, and extremes, noted within the s
- Climate of IndonesiaThe climate of Indonesia is almost entirely tropical. The uniformly warm waters that make
- Climate of IrelandThe climate of Ireland is mild, humid, and changeable, with abundant rainfall and a lack o
- Climate of IstanbulThe climate of Istanbul, classified variously as Mediterranean, oceanic, or a transitional
- Climate of ItalyThe climate of Italy is highly diverse. In most of the inland northern and central regions
- Climate of JapanMost regions of Japan, such as Honshu, Shikoku, and Kyushu, belong to the temperate zone w
- Climate of KosovoKosovo is a relatively small country. Because of the climatic position and complicated str
- Climate of LondonAccording to the Köppen climate classification, London has a temperate oceanic climate (Cf
- Climate of Los AngelesThe climate of Los Angeles is mild to hot year-round, and mostly dry. It is classified as
- Climate of MinnesotaMinnesota has a humid continental climate, with hot summers and cold winters. Minnesota's
- Climate of MissouriMissouri generally has a variety of seasonal humid subtropical climate (Köppen climate cla
- Climate of MyanmarThe climate of Myanmar varies depending on location and in the highlands, on elevation. Th
- Climate of New EnglandThe climate of New England varies greatly across its 500-mile (800 km) span from northern
- Climate of New York CityAccording to the Köppen climate classification, New York City features a humid subtropical
- Climate of NorwayThe climate of Norway is more temperate than expected for high latitudes. This is mainly d
- Climate of PakistanPakistan's climate varies from a continental type of climate in the north (Gilgit-Baltista
- Climate of ParaguayThe climate of Paraguay consists of a subtropical climate in the Paranaense region, and tr
- Climate of ParisParis has a typical oceanic climate (Köppen climate classification: Cfb), affected by the
- Climate of PeruClimate of Peru describes the diverse climates of this large South American country with a
- Climate of PhoenixPhoenix has a hot desert climate (Köppen: BWh), typical of the Sonoran Desert, and is the
- Climate of PlutoThe climate of Pluto concerns the atmospheric dynamics, weather, and long-term trends on t
- Climate of RomaniaThe climate of Romania is continental, transitioning into humid subtropical (locally often
- Climate of RussiaThe climate of Russia is formed under the influence of several determining factors. The en
- Climate of South AfricaThe climate of South Africa is determined by South Africa's geographic situation between 2
- Climate of South CarolinaSouth Carolina has a humid subtropical climate, with hot summers throughout most of the st
- Climate of SwedenThe south of Sweden has a temperate climate, despite its northern latitude, with largely f
- Climate of Tamil NaduThe Climate of Tamil Nadu, India is generally tropical and features fairly hot temperature
- Climate of TasmaniaTasmania has a cool temperate climate with four distinct seasons. The highest recorded max
- Climate of the ArcticThe climate of the Arctic is characterized by long, cold winters and short, cool summers.
- Climate of the British IslesThe British Isles are an archipelago off the northwest coast of Europe, consisting of the
- Climate of the Nordic countriesThe climate of the Nordic countries is that of a region in Northern Europe that consists o
- Climate of the PhilippinesThe Philippines has five types of climates: tropical rainforest, tropical monsoon, tropica
- Climate of the United KingdomThe United Kingdom straddles the higher mid-latitudes between 49° and 61°N on the western
- Climate of the United StatesThe climate of the United States varies due to changes in latitude, and a range of geograp
- Climate of TunisiaThe climate of Tunisia is Mediterranean in the north, with mild rainy winters and hot, dry
- Climate of TurkeyTurkey's climate is varied and generally temperate, with the regions bordering the Mediter
- Climate of Uttar PradeshThe climate of Uttar Pradesh is a tropical monsoon climate, consisting mainly of a humid s
- Climate of VirginiaThe climate of Virginia, a state on the east coast of the United States, is mild compared
- Climate of West BengalWest Bengal has a varied climate, with tropical savannahs in the southern portions of the
- Climate of ZambiaEmissions, impacts and responses of Zambia related to climate change
- Climate OneAmerican environmentalist organization
- Climate Pledge FundAmazon's climate technology venture capital fund
- Climate policy of ChinaThe climate policy of the People's Republic of China has a massive impact on global climat
- Climate reparationsClimate reparations are a type of requested loss and damage payments for damage and harm c
- Climate Research (journal)Climate Research is a peer-reviewed scientific journal published by the Inter-Research Sci
- Climate resilienceForm of adaptive capacity for a socio-ecological system
- Climate restorationClimate restoration refers to intentionally restoring preindustrial levels of greenhouse g
- Climate riskPotential for problems from the impacts of climate change
- Climate risk managementClimate risk management (CRM) is a term describing the strategies involved in reducing cli
- Climate securityEnvironmental aspect of geopolitics
- Climate sensitivityConcept in climate science
- Climate spiralData visualization graphics of long-term trends of annual temperature anomalies
- Climate Stewardship ActsProposed United States federal legislation
- Climate systemInteractions that create Earth's climate
- Climate targetPolicy for emissions reductions
- Climate variability and changeChange in the statistical distribution of climate elements for an extended period
- Climate Vulnerable ForumGlobal partnership of countries
- Climateprediction.netBOINC based volunteer computing project researching climate models
- Climatic Research UnitUK Climate Change research body
- Climatic Research Unit documentsClimatic Research Unit documents including thousands of e-mails and other computer files w
- Climatic Research Unit email controversy2009 controversy
- ClimatologyScientific study of climate
- ClinohumiteNesosilicate mineral
- ClinozoisiteClinozoisite is a complex calcium aluminium sorosilicate mineral with formula: Ca2Al3(Si2O
- Cloquet Fire1918 forest fire in Minnesota, US
- CloudVisible mass of particles suspended in the atmosphere
- Cloud albedoFraction of incoming sunlight reflected by clouds
- Cloud Appreciation SocietyThe Cloud Appreciation Society is a society founded by Gavin Pretor-Pinney from the United
- Cloud baseHeight of the bottom of a cloud
- Cloud condensation nucleiSmall particles on which water vapor condenses
- Cloud coverFraction of the sky obscured by clouds when observed from a particular location
- Cloud feedbackFeedback between climate change and the effect of clouds on radiation
- Cloud iridescenceOptical phenomenon
- Cloud physicsStudy of the physical processes in atmospheric clouds
- Cloud seedingWeather modification that condenses clouds to cause rainfall
- CloudburstShort and very intense rain
- CloudinidaeGroup of extinct aquatic animals
- Cloudland Canyon State ParkCloudland Canyon State Park is a 3,485 acres (14.10 km2) Georgia state park located near T
- Club of RomeSwiss-based think tank
- CO2 fertilization effectFertilization from increased levels of atmospheric carbon dioxide
- CO2SYSCO2SYS is a family of software programs that calculate chemical equilibria for aquatic ino
- Coal ballStone of peat that did not turn into coal
- Coal forestLand type during the late Carboniferous and Permian
- Coal in AustraliaCoal is mined in nearly every state of Australia. The largest black coal resources occur i
- Coal in ChinaThe People's Republic of China is the largest producer and consumer of coal and coal power
- Coal in IndiaCoal in India has been mined since 1774, and India is the second largest producer and cons
- Coal in PolandCoal in Poland is partly mined and partly imported. Poland is the second-largest coal-mini
- Coal in RussiaCoal is an important part of Russia's energy system. From August 2024 to July 2025, fossil
- Coal in TurkeyCoal supplies a quarter of Turkey's primary energy, and the country is one of the largest
- Coal in UkraineCoal mining has historically been an important industry in Ukraine. Although the industry
- Coal IndiaGovernment owned coal producer in India
- Coal mining in ChileIn Chile, coal mining is restricted to a few places located in its southern half. Energy o
- Coal mining in the United StatesCoal mining is an industry in transition in the United States. Production in 2023 was down
- Coal oilOil derived from coal
- Coal phase-outEnvironmental policy intended to stop using coal
- Coal pollution mitigationCoal pollution mitigation is a series of systems and technologies that seek to mitigate he
- Coal power in ChinaIn the People's Republic of China, electricity generated from coal represents over half of
- Coal power in the United StatesThere were almost 200 coal power plants across the United States in 2026. Utilities buy mo
- Coal power in TurkeyCoal in Turkey generated a third of the nation's electricity in 2023. There are 55 active
- Coal preparation plantCoal processing stage
- Coal slurryProduct of coal preparation
- Coal-mining regionBasin with coal deposits
- CoastArea where land meets the sea or ocean
- Coast Range ArcVolcanic arc system in the Pacific Northwest
- Coastal floodingType of flooding
- Coastal GasLink pipelineNatural gas pipeline in Canada
- Coastal geographyStudy of the region between the ocean and the land
- Coastal managementPreventing flooding and erosion of shorelines
- Coastal morphodynamicsCoastal morphodynamics refers to the study of the interaction and adjustment of the seaflo
- Coastal plainArea of flat, low-lying land adjacent to a seacoast
- Coastal sediment supplyTransport of sediment to the beach environment
- Coastal sediment transportMovement of sediment along coastal environments
- Cobalt, OntarioCobalt is a town in Timiskaming District, Ontario, Canada. It had a population of 989 at t
- CobaltiteSulfide mineral composed of cobalt, arsenic, and sulfur
- Cobble (geology)Clast of rock
- CoccolithCoccoliths are individual plates or scales of calcium carbonate formed by coccolithophores
- CoccolithophoreUnicellular algae responsible for the formation of chalk
- Coconino County, ArizonaCounty in Arizona, United States
- Coconino PlateauThe Coconino Plateau is found south of the Grand Canyon and north-northwest of Flagstaff,
- Coconino SandstoneGeologic formation of Permian age in the southwestern United States
- Cocos plateTectonic plate beneath the Pacific Ocean
- Cold chainLow-temperature supply chain
- Cold frontLeading edge of a cooler mass of air
- Cold seepOcean floor area with hydrocarbon-rich seepage
- Cold waveWeather phenomenon
- Cold-core lowCyclone with an associated cold pool of air at high altitude
- Cold-water geyserNatural explosive eruption of cold water
- Colin Campbell (geologist)British petroleum geologist (1931–2022)
- Collegeport, TexasCollegeport is an unincorporated community in Matagorda County, Texas, United States.
- ColluviumLoose, unconsolidated sediments deposited at the base of a hillslope
- ColocasiaGenus of plants
- Colombian emeraldsGreen precious gemstones
- ColophoniteObsolete name for a variety of mineral
- Color index (geology)Ratio of dark- to light-colored minerals in a rock
- ColtanTantalum-niobium ore
- Columbia (supercontinent)Ancient supercontinent of approximately 2,500 to 1,500 million years ago
- Columbia River Basalt GroupContinental flood basalt province in the Western United States
- Columbia, New JerseyColumbia is an unincorporated community and census-designated place (CDP) located within K
- ColumbiteMineral group
- Columbus Day storm of 1962Pacific Northwest windstorm
- Comeragh MountainsThe Comeragh Mountains (Irish: Na Comaraigh) are a glaciated mountain range situated in so
- CommitteeBody of one or more persons that is subordinate to a deliberative assembly
- Committee of Concerned ScientistsThe Committee of Concerned Scientists (CCS) is an independent international organization d
- Commodity plasticsCommodity plastics or commodity polymers are plastics produced in high volumes for applica
- Common ethanol fuel mixturesMixtures of common ethanol fuel types
- Community Collaborative Rain, Hail and Snow NetworkInternational citizen science project
- Compatibility diagramDepicts coexisting mineral phases in a metamorphic rock
- Complex craterLarge impact craters with uplifted centres
- Complex volcanoLandform of more than one related volcanic centre
- Composition of MarsBranch of the geology of Mars
- Compression fossilA compression fossil is a fossil preserved in sedimentary rock that has undergone physical
- Computational geophysicsComputational geophysics is the field of study that uses any type of numerical computation
- Conchoidal fractureBrittle fracture surface that does not follow any natural planes of separation
- ConcretionIn geology, a type of compact mass
- Cone sheetType of igneous intrusion of subvolcanic rock
- Conejo FormationFossiliferous geological formation in the Eastern Ranges of the Colombian Andes
- ConferenceMeeting to discuss or exchange opinions
- ConflagrationLarge and destructive fire
- Conflict minerals lawLaw regarding Conflict Minerals
- ConfluenceMeeting of two or more bodies of flowing water
- Conglomerate (geology)Sedimentary rock composed of smaller rock fragments
- Congo CanyonCongo Canyon is a submarine canyon found at the end of the Congo River in Africa. It is on
- Conic HillConic Hill (from Gaelic "còinneach" meaning moss) is a prominent hill in Stirling, Scotlan
- Connerville, OklahomaConnerville is a rural unincorporated community and census-designated place on the Blue Ri
- Conoscopic interference patternPattern of birefringence colors
- Constellation Observing System for Meteorology, Ionosphere, and ClimateJoint US-Taiwan meteorological satellite constellation
- Construction wasteUnwanted material produced directly or incidentally by the construction industries
- Contact (geology)In geology, a contact is a boundary that separates one rock body from another. A contact c
- Continental arcType of volcanic arc occurring along a continental margin
- Continental climateKöppen climate category
- Continental collisionFormation of mountains from converging tectonic plates
- Continental crustLayer of rock that forms the continents and continental shelves
- Continental driftMovement of Earth's continents relative to each other
- Continental fragmentPart of a continent broken from its main mass
- Continental marginZone of the ocean floor
- Continental riseUnderwater feature connecting the continental slope and the abyssal plain
- Continental shelfCoastal and oceanic landform
- Continental shelf pumpTransport of carbon from shallow waters
- Continuous Plankton RecorderMarine biology monitoring programming
- Contour lineCurve along which a 3D surface is at equal elevation
- ContouriteSedimentary deposit produced by thermohaline-induced deepwater bottom currents
- ContrailLong, thin artificial clouds that sometimes form behind aircraft
- Convective instabilityAbility of an air mass to resist vertical motion
- Convective overshootPhenomenon of convection
- Convective storm detectionMeteorological observation
- Convergent boundaryRegion of active deformation between colliding tectonic plates
- Cool pavementReflective road surface
- Cool tropics paradoxThe cool tropics paradox is the apparent difference between modeled estimates of tropical
- Cooperative Institute for Meteorological Satellite Studies
- Cooperative mechanisms under Article 6 of the Paris AgreementPart of the 2015 climate change treaty
- Cooperative Patent ClassificationThe Cooperative Patent Classification (CPC) is a patent classification system, which has b
- Coordinating Committee for Earthquake PredictionCommittee in Japan
- Cope's rulePostulation pertaining to evolution
- Copenhagen climate summitInternational climate change conference in 2009
- Copenhagen Diagnosis2009 climate change report
- Copper Basin (Tennessee)Geological area in southeastern Tennessee, United States
- Copper cycleThe copper cycle is the biogeochemical cycle of natural and anthropogenic exchanges of cop
- Copper IslandCopper Island is a local name given to the northern part of the Keweenaw Peninsula (projec
- Copper(II) carbonateCopper(II) carbonate or cupric carbonate is a chemical compound with formula CuCO3. At amb
- Copperhill, TennesseeCopperhill is a city in Polk County, Tennessee, United States. The population was 443 at t
- Coquihalla RiverThe Coquihalla River (originally or more recently and popularly ) is a tributary of the Fr
- CoquinaSedimentary rock that is composed mostly of fragments of shells
- Coral bleachingPhenomenon where corals expel algae tissue
- Coral islandIsland formed from coral and associated material
- Coral reefOutcrop of rock in the sea formed by the growth and deposit of stony coral skeletons
- CorallinaceaeThe Corallinaceae are one of the two extant Coralline families of red algae; they are diff
- Coralline algaeOrder of algae (Corallinales)
- CordieriteCordierite (mineralogy) or iolite (gemology) is a magnesium iron aluminium cyclosilicate.
- Cordilleran ice sheetMajor ice sheet
- Core sampleCylindrical section of (usually) a naturally-occurring substance
- Core–mantle boundaryDiscontinuity where the bottom of the planet's mantle meets the outer layer of the core
- Core–mantle differentiationSeparation of materials resulting in a distinct planetary mantle and core
- Coro Coro, BoliviaCoro Coro (Aymara: Kuru Kuru) is a small town in the La Paz Department in Bolivia. It is t
- Corporate accountability for human rights violationsHolding corporations accountable for either direct conduct or complicity for human rights
- Corporate environmental responsibilityCorporate environmental responsibility (CER) refers to a company's duties to abstain from
- Corporate sustainabilityBusiness strategy that focuses on sustainability as a core aspect of the business
- Corregidor (position)A corregidor (Spanish: ) was a local administrative and judicial official in Spanish Empir
- CorundumOxide mineral
- CosigüinaCosigüina (also spelt Cosegüina) is a stratovolcano located in the western part of Nicarag
- Cosmetic paletteCosmetic palettes are archaeological artifacts, originally used in predynastic Egypt to gr
- Cosmogenic nuclideRare nuclides created when high-energy cosmic rays interact with the nucleus of an atom
- CosmographyScience of mapping the universe
- Costa de la LuzThe Costa de la Luz (Spanish pronunciation: , "Coast of Light") is a section of the Andalu
- Costa Rica hurricanesThe Central American country of Costa Rica does not regularly experience hurricanes, as on
- Cotabato TrenchOceanic trench in the Pacific Ocean
- Country rock (geology)Rock types native to a specific area
- Coupled Model Intercomparison ProjectCollaboration for climate change study
- Coupled substitutionCoupled substitution is the geological process by which two elements simultaneous substitu
- CovelliteCovellite (also known as covelline) is a rare copper sulfide mineral with the formula CuS.
- Covenant of MayorsThe Covenant of Mayors is a European co-operation movement involving local and regional au
- Craig B. CooperAmerican aquanaut
- CraterDepression caused by an impact or geologic activity
- CratonOld and stable part of the continental lithosphere
- Cratonic sequenceVery large-scale lithostratographic sequence
- Cream Ridge WineryCream Ridge Winery is a winery in the Cream Ridge section of Upper Freehold Township in Mo
- CrenulationGeological fabric formed in metamorphic rocks
- CretaceousThird and last period of the Mesozoic Era
- Cretaceous Thermal MaximumPeriod of climatic warming that reached its peak approximately 90 million years ago
- Cretaceous–Paleogene boundaryGeological boundary between time periods
- Cretaceous–Paleogene extinction eventMass extinction event about 66 million years ago
- CrevasseDeep crack, or fracture, in an ice sheet or glacier
- CristobaliteSilica mineral, polymorph of quartz
- Critical depthHypothesized depth at which phytoplankton growth is matched by losses
- Critical taperIn mechanics and geodynamics, a critical taper is the equilibrium angle made by the far en
- Criticism of ExxonMobilOverview of controversies and criticisms of ExxonMobil
- Criticism of the government response to Hurricane KatrinaCriticism of the U.S. government
- Criticism of the IPCC Fourth Assessment ReportThe IPCC Fourth Assessment Report (AR4) is a report on climate change created with the hel
- Criticism of the Kyoto ProtocolAlthough it is a worldwide treaty, the Kyoto Protocol has received criticism.
- CrocoiteLead chromate mineral
- Cromer Forest BedGeological formation in Norfolk, England
- Crooked Island, BahamasCrooked Island is an island and district, part of a group of Bahamian islands defining a l
- Cross section (geology)Diagram showing underground structure of rocks
- Cross-beddingSedimentary rock strata at differing angles
- Cross-cutting relationshipsPrinciple that the geologic feature which cuts another is the younger of the two
- Crust (geology)Outermost solid shell of astronomical bodies
- Crustal recyclingTectonic recycling process
- CryogenianSecond period of the Neoproterozoic Era, with major glaciation
- CryoliteHalide mineral
- CryosphereEarth's surface where water is frozen
- CryptoexplosionIn geology, a cryptoexplosion structure (or cryptovolcanic structure) is an explosion of u
- Cryptozoic EntertainmentCryptozoic Entertainment is an American publisher of board and card games, trading cards a
- Crystal habitVisible shape of a mineral
- Crystallographic point groupClassification system for crystals
- Cudjoe Key, FloridaCudjoe Key is a census-designated place and unincorporated community in Monroe County, Flo
- CuestaHill or ridge with a gentle slope on one side and a steep slope on the other
- Cultural burningWorldwide cultural practice of using fire to manage landscapes
- Cultural depictions of dinosaursSince the coining of the word "dinosaur" in 1842, dinosaurs have served as a cornerstone o
- Cultured meatAnimal flesh produced by culturing cells
- CummingtoniteSilicate mineral
- Cumulate rockIgneous rock formed by accumulating crystals from a magma
- Cumulonimbus capillatusA cumulonimbus capillatus is a cumulonimbus cloud with dense cirrus clouds above it, makin
- Cumulonimbus cloudGenus of dense, towering vertical clouds
- Cumulus cloudGenus of clouds, low-level cloud
- Cumulus congestus cloudForm of cumulus clouds
- Cumulus humilis cloudCloud species
- Cumulus mediocris cloudForm of cumulus cloud
- Cupriavidus metalliduransCupriavidus metallidurans is a non-spore-forming, Gram-negative bacterium which is adapted
- CupriteOxide mineral
- Customs House, RockhamptonThe Rockhampton Customs House is a heritage-listed customs house at 208 Quay Street, Rockh
- Cut bankOutside bank of a water channel, which is continually undergoing erosion
- Cutler FormationGeologic formation in the Four Corners, US
- Cutler, FloridaCutler was a pioneer town in Miami-Dade County, Florida that existed from 1883 to 1915, wh
- CuttleboneHard, brittle internal structure found in all members of the family Sepiidae
- Cyclic sedimentsType of layers in sedimentary rocks
- CyclogenesisDevelopment or strengthening of cyclonic circulation in the atmosphere
- CyclolysisDissipation of a cyclone
- CycloneLarge scale rotating air mass
- Cyclone AilaNorth Indian Ocean cyclone in 2009
- Cyclone AkashNorth Indian Ocean cyclonic storm in 2007
- Cyclone AlbyCategory 5 Australian region cyclone in 1978
- Cyclone AliberaSouth-West Indian tropical cyclone in 1989
- Cyclone Althea1971 natural disaster in Australia
- Cyclone AmiCategory 3 South Pacific cyclone in 2003
- Cyclone AmphanNorth Indian Ocean cyclone in 2020
- Cyclone AnaCategory 3 South Pacific cyclone in 2021
- Cyclone AnatolEuropean windstorm in 1999
- Cyclone Andrea2012 European windstorm
- Cyclone AnneCategory 4 South Pacific cyclone in 1988
- Cyclone BebeCategory 3 South Pacific cyclone in 1972
- Cyclone BeniCategory 5 South Pacific and Australian region cyclone in 2003
- Cyclone BeritVery strong European windstorm in mid-November 2011
- Cyclone BingizaSouth-West Indian tropical cyclone in 2011
- Cyclone BolaCategory 4 South Pacific cyclone in 1988
- Cyclone CarmenNovember 2010 windstorm
- Cyclone ChapalaNorth Indian cyclone in 2015
- Cyclone ChenesoSouth-West Indian Ocean cyclone in 2023
- Cyclone ChidoSouth-West Indian Ocean cyclone in 2024
- Cyclone ClareCategory 3 Australian region cyclone in 2006
- Cyclone CookCategory 3 South Pacific cyclone in 2017
- Cyclone DamanCategory 4 South Pacific cyclone in 2007
- Cyclone DebbieCategory 4 Australian region cyclone in 2017
- Cyclone DinaSouth-West Indian cyclone in 2002
- Cyclone DinahCategory 4 South Pacific and Australian region cyclone in 1967
- Cyclone DineoSouth-West Indian Ocean tropical cyclone in 2017
- Cyclone DonnaCategory 5 South Pacific cyclone in 2017
- Cyclone Dovi (2022)South Pacific tropical cyclone
- Cyclone ElitaSouth-West Indian Ocean cyclone in 2004
- Cyclone EloiseSouth-West Indian Ocean cyclone in 2021
- Cyclone Emma (2006)Category 1 Australian region cyclone in 2006
- Cyclone EricSouth Pacific cyclone in 1985
- Cyclone EvanCategory 4 cyclone in the South Pacific in 2012
- Cyclone FaneleIntense Tropical Cyclone Fanele was the first tropical cyclone to strike western Madagasca
- Cyclone FaniNorth Indian Ocean cyclone in 2019
- Cyclone FantalaSouth-West Indian Ocean cyclone in 2016
- Cyclone FavioSouth-West Indian cyclone in 2007
- Cyclone FilaoSouth-West Indian cyclone in 1988
- Cyclone FiringaSouth-West Indian tropical cyclone in 1989
- Cyclone FreddyAustralian and South-West Indian cyclone in 2023
- Cyclone GabrielleCategory 3 South Pacific cyclone in 2023
- Cyclone GafiloSouth-West Indian cyclone in 2004
- Cyclone GamedeSouth-West Indian cyclone in 2007
- Cyclone GatiNorth Indian Ocean cyclone in 2020
- Cyclone GavinCategory 4 South Pacific cyclone in 1997
- Cyclone GeneCategory 3 South Pacific cyclone in 2008
- Cyclone GeraldaSouth-West Indian Ocean cyclone in 1994
- Cyclone GiriNorth Indian cyclone in 2010
- Cyclone GitaStrong tropical cyclone which affected Tonga
- Cyclone Global Navigation Satellite SystemAmerican weather satellite system
- Cyclone GonuNorth Indian Ocean super cyclonic storm in 2007
- Cyclone GretelleSouth-West Indian tropical cyclone 1997
- Cyclone GuambeSouth-West Indian Ocean cyclone in 2021
- Cyclone GubaCategory 3 Australian region cyclone in 2007
- Cyclone GudrunPowerful storm in northern Europe in 2005
- Cyclone GwendaCategory 5 Australian region cyclone in 1999
- Cyclone HamishCategory 5 Australian region cyclone in 2009
- Cyclone HaroldCategory 5 South Pacific cyclone in 2020
- Cyclone HarunaSouth-West Indian tropical cyclone in 2013
- Cyclone Helen (2007)Category 2 Australian region cyclone in 2008
- Cyclone HergenEuropean windstorm, December 2011
- Cyclone HetaSouth Pacific cyclone in 2003 and 2004
- Cyclone HikaaVery Severe Cyclonic Storm Hikaa was a tropical cyclone that struck eastern Oman in Septem
- Cyclone HinaCategory 3 South Pacific severe tropical cyclone in 1997
- Cyclone HondoSouth-West Indian cyclone in 2008
- Cyclone HonorininaSouth-West Indian tropical cyclone in 1986
- Cyclone HudahSouth-West Indian and Australian cyclone in 2000
- Cyclone HyacintheSouth-West Indian cyclone in 1980
- Cyclone IanTropical cyclone
- Cyclone IdaiSouth-West Indian Ocean cyclone in 2019
- Cyclone IlsaCategory 5 Australian region cyclone in 2023
- Cyclone Ingrid2005 Australian region cyclone
- Cyclone InigoCategory 5 Australian region cyclone in 2003
- Cyclone ItaCategory 5 Australian region cyclone in 2014
- Cyclone IvanIntense Tropical Cyclone Ivan was a powerful tropical cyclone that struck Madagascar in Fe
- Cyclone IvyCategory 4 South Pacific cyclone in 2004
- Cyclone Jal2010 cyclonic storm
- Cyclone Joachim2011 European windstorm
- Cyclone JoanCategory 5 Australian region cyclone in 1975
- Cyclone JokweSouth-West Indian cyclone in 2008
- Cyclone JoyCategory 4 Australian region cyclone in 1990
- Cyclone JustinCategory 3 Australian region cyclone in 1997
- Cyclone KamisySouth-West Indian Ocean cyclone in 1984
- Cyclone KathyAustralian region cyclone in 1984
- Cyclone KatrinaSouthern Pacific cyclone in 1998
- Cyclone KennethSouth-West Indian cyclone in 2019
- Cyclone KinaSouth Pacific cyclone in 1992 and 1993
- Cyclone Klaus2009 windstorm over southern and southwestern Europe
- Cyclone KomenNorth Indian cyclone in 2015
- Cyclone KyarrNorth Indian cyclone in 2019
- Cyclone KyrillExtratropical cyclone that struck northern Europe in 2007
- Cyclone LailaSevere Cyclonic Storm Laila was the first cyclonic storm to affect southeastern India in M
- Cyclone Larry2006 tropical cyclone
- Cyclone LaurenceCategory 5 Australian cyclone in 2009
- Cyclone Leon–ElineAustralian and South-West Indian cyclone in 2000
- Cyclone LeontaCyclone Leonta was a tropical cyclone that caused severe damage in North Queensland on 9 M
- Cyclone LolaCategory 5 South Pacific cyclone in 2023
- Cyclone Lothar1999 windstorm in Western Europe
- Cyclone MahinaAustralian region cyclone in 1899
- Cyclone ManouSouth-West Indian cyclone in 2003
- Cyclone Martin (1997)South Pacific cyclone
- Cyclone Martin (1999)Storm in Europe December 1999
- Cyclone Meena2005 South Pacific tropical cyclone
- Cyclone MeghNorth Indian cyclone in 2015
- Cyclone MekunuCategory 3 North Indian Cyclone in 2018
- Cyclone MichaungNorth Indian Ocean Cyclone in 2023
- Cyclone MochaNorth Indian Ocean cyclone in 2023
- Cyclone MonicaCategory 5 Australian region cyclone in 2006
- Cyclone MoraNorth Indian Ocean cyclone in 2017
- Cyclone NadiaSouth-West Indian tropical cyclone in 1994
- Cyclone NamuSouth Pacific and Australian region cyclone in 1986
- Cyclone NancySouth Pacific cyclone in 2005
- Cyclone NargisNorth Indian Ocean cyclone in 2008
- Cyclone NigelCategory 3 tropical cyclone in 1985
- Cyclone NilamNorth Indian cyclone in 2012
- Cyclone NiranCategory 5 Australian region and South Pacific cyclone in 2021
- Cyclone Nisha (2008)Tropical cyclone in the Indian Ocean
- Cyclone NoraTropical cyclone in Australia in 2018
- Cyclone NumaMediterranean tropical-like cyclone in 2017
- Cyclone OfaSouth Pacific cyclone in 1990
- Cyclone OlafSouth Pacific cyclone in 2005
- Cyclone OliviaAustralian region cyclone in 1996
- Cyclone OnilNorth Indian Ocean severe cyclonic storm in 2004
- Cyclone Oratia2000 European windstorm
- Cyclone OrsonCategory 5 Australian region cyclone in 1989
- Cyclone OscarSouth Pacific cyclone in 1983
- Cyclone OswaldCategory 1 Australian region cyclone in 2013
- Cyclone Pam2015 South Pacific cyclone
- Cyclone PaulaSevere Tropical Cyclone Paula was a tropical cyclone which caused extensive damage to area
- Cyclone PeniAustralian cyclone in 1990
- Cyclone PercyCategory 5 South Pacific cyclone in 2005
- Cyclone PeterAustralian region cyclone in 1978–1979
- Cyclone PhailinNorth Indian Ocean cyclone in 2013
- Cyclone PhetNorth Indian cyclone in 2010
- Cyclone PhyanNorth Indian Ocean cyclone in 2009
- Cyclone Quimburga1972 European windstorm
- Cyclone Raja1986–1987 South Pacific cyclone
- Cyclone RewaCategory 5 South Pacific and Australian region cyclone in 1993 and 1994
- Cyclone RoanuNorth Indian Ocean cyclone in 2016
- Cyclone RonSouth Pacific cyclone in 1998
- Cyclone RositaSevere Tropical Cyclone Rosita was a tropical cyclone that affected northern Australia fro
- Cyclone SamCategory 5 Australian region cyclone in 2000
- Cyclone SaraiCategory 2 South Pacific cyclone of 2019
- Cyclone Senyar2025 North Indian Ocean and Pacific tropical cyclone
- Cyclone SerojaCategory 3 Australian region cyclone in 2021
- Cyclone SidrNorth Indian Ocean cyclone in 2007
- Cyclone SinaSouth Pacific cyclone in 1990
- Cyclone SoseCategory 2 South Pacific cyclone in 2001
- Cyclone SteveTropical Cyclone Steve was a tropical cyclone that affected northern Australia from 27 Feb
- Cyclone SusanCategory 5 South Pacific cyclone in 1997 and 1998
- Cyclone TauktaeNorth Indian Ocean cyclone in 2021
- Cyclone TejNorth Indian Ocean cyclone in 2023
- Cyclone TessiCategory 3 Australian region cyclone in 2000
- Cyclone TinoCategory 3 South Pacific cyclone of 2020
- Cyclone TomasCategory 4 South Pacific cyclone in 2010
- Cyclone TracyAustralian region cyclone in 1974
- Cyclone TusiTropical cyclone of 1987
- Cyclone Ulli2011–2012 European windstorm
- Cyclone UluiCategory 5 Australian region cyclone in 2010
- Cyclone ValSouth Pacific cyclone in 1991
- Cyclone VayuNorth Indian cyclone in 2019
- Cyclone ViyaruNorth Indian Ocean cyclone in 2013
- Cyclone WakaCategory 4 South Pacific cyclone in 2001 and 2002
- Cyclone Wasa–ArthurSouth Pacific cyclone in 1991
- Cyclone Wilma2011 South Pacific cyclone
- Cyclone WinifredCategory 3 Australian region cyclone in 1986
- Cyclone WinstonCategory 5 South Pacific cyclone in 2016
- Cyclone Xavier (2006)Category 4 South Pacific cyclone
- Cyclone YaasNorth Indian Ocean cyclone in 2021
- Cyclone YakuLow-pressure system in the Southeastern Pacific
- Cyclone YasaCategory 5 South Pacific cyclone in 2020
- Cyclone YasiCategory 5 South Pacific and Australian region cyclone in 2011
- Cyclone Zoe2002 tropical cyclone
- Cyclone Zorbas2018 Mediterranean tropical-like cyclone
- Cyclones BOB 03 and YemyinNorth Indian Ocean deep depression and cyclonic storm in 2007
- Cyclones Judy and KevinTwo tropical cyclones brought impacts in Vanuatu and other regions
- Cyclones Rona and FrankAustralian region and South Pacific cyclone in 1999
- CyclostratigraphyStudy of astronomically forced climate cycles within sedimentary successions
- Cynthia RosenzweigAmerican agronomist and climatologist
- Cypripedium arietinumCypripedium arietinum, the ram's head lady's slipper, is a rare terrestrial orchid that gr
