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- F-ratio (oceanography)In oceanic biogeochemistry, the fraction of total primary production fuelled by nitrate
- Fabric (geology)Spatial and geometric configuration of all the elements that make up a rock
- FaciesBody of rock with specified characteristic
- Facies (medical)In medical contexts, a facies is a distinctive facial expression or appearance associated
- Fairdale, IllinoisFairdale is an unincorporated community located in Franklin Township, in the northwestern
- False alarmA false alarm, also called a nuisance alarm, is the deceptive or erroneous report of an em
- Far North QueenslandRegion in Queensland, Australia
- FarafanganaFarafangana is a city (commune urbaine) on the south-east coast of Madagascar and capital
- Farallon plateAncient oceanic plate that has mostly subducted under the North American plate
- Fargo tornado1957 tornado in the U.S. states of North Dakota and Minnesota
- Farm waterFarm water, also known as agricultural water, is water committed for use in the production
- Farman SalmanovSoviet geologist
- Farmland preservationFarmland preservation is a joint effort by non-governmental organizations and local govern
- Farquhar GroupGroup of Islands in the Outer Islands of the Seychelles
- Fata Morgana (mirage)Optical phenomenon
- Fate of the WorldFate of the World is a 2011 global warming game developed and published by Red Redemption.
- FatfieldFatfield is an area of Washington, in the City of Sunderland metropolitan borough in Tyne
- Fatih BirolTurkish economist and energy expert
- Fault (geology)Fracture or discontinuity in displaced rock
- Fault blockLarge blocks of rock created by tectonic and localized stresses in Earth's crust
- Fault scarpSmall vertical offset on the ground surface
- Fault zone hydrogeologyFault zone hydrogeology is the study of how brittlely deformed rocks alter fluid flows in
- Fauna of MadagascarThe fauna of Madagascar is a part of the wildlife of Madagascar.
- FayaliteIron end-member of olivine, a nesosilicate mineral
- February 12–14, 2017 North American blizzardBlizzard affecting Northeastern United States and Eastern Canada
- February 13–17, 2021 North American winter stormCategory 3 winter storm and ice storm in the United States
- February 15–20, 2021 North American winter stormCategory 3 winter storm and ice storm in the United States
- February 1952 nor'easterWinter storm in New England, US
- February 1969 nor'easter1969 storm in the United States
- February 1983 North American blizzardNorth American blizzard in 1983
- February 1998 Afghanistan earthquake1998 earthquake centered in northeastern Afghanistan
- February 2007 North American blizzardThe February 2007 North American blizzard was a massive winter storm that affected most of
- February 2009 British Isles snowfallProlonged snowfall in the UK and Ireland
- February 2013 North American blizzardNor'easter in 2013
- February 2021 North American cold waveCold wave in 2021
- February 2024 California atmospheric riversWeather event
- February 5–6, 2010 North American blizzardWeather event in North America
- February 9–10, 2010 North American blizzardSevere weather event
- February 9–11, 2017 North American blizzardWinter weather event
- Federal Emergency Management AgencyUnited States disaster response agency
- FeldsparGroup of rock-forming minerals
- FeldspathoidMineral grouping of silica-poor tectosilicates
- Felix Andries Vening MeineszDutch geophysicist and geodesist
- FelsicIgneous rock rich in silica and feldspar
- FenType of wetland fed by mineral-rich ground or surface water
- FerberiteMineral of iron and tungsten
- FerropericlaseMagnesium or iron oxide that mainly constitutes the lower mantle of the Earth
- Fichtel MountainsMountain range in Germany and the Czech Republic
- Field, British ColumbiaField is an unincorporated community of approximately 169 people located in the Kicking Ho
- Fielding Bradford MeekFielding Bradford Meek (December 10, 1817 – December 22, 1876) was an American geologist a
- Figure of the EarthSize and shape used to model the Earth for geodesy
- Fiji Meteorological ServiceMeteorological service of Fiji
- Fijian dollarCurrency of Fiji
- Filippo GiorgiItalian physicist
- Fire and carbon cycling in boreal forestsTerrestrial ecosystems found in the boreal (or taiga) regions of North America and Eurasia
- Fire IceFire Ice is the third book in the NUMA Files series of books co-written by best-selling au
- Fire regimeA fire regime is the pattern, frequency, and intensity of the bushfires and wildfires that
- Fire whirlWhirlwind induced by and often composed of fire
- FirestormHigh intensity conflagration
- Fiscal environmentalismEconomic approach linking fiscal policy with environmental goals
- Fish stocksSemi-discrete subpopulations of a particular species of fish
- FishermanPerson who captures fish and sells or trades it
- Fissility (geology)In geology, fissility is the ability or tendency of a rock to split along flat planes of w
- FissureLong, narrow crack opening on a planetary surface
- Fissure ventLinear volcanic vent through which lava erupts
- Fitzroy River (Queensland)The Fitzroy River (Darumbal: Toonooba) is a river in Central Queensland, Australia. Its ca
- Fixed anvil temperature hypothesisTheory of cloud radiation emission
- FjordLong, narrow inlet with steep sides or cliffs, created by glacial activity
- Flammagenitus cloudA flammagenitus cloud, also known as a flammagenitus, pyrocumulus cloud, or fire cloud, is
- Flash floodRapid flooding of low-lying areas
- Flash flood warningWeather warning indicating observed or imminent flash flooding in the area
- Flat coastShoreline where the land descends gradually into the sea
- Flat EarthArchaic conception of Earth's shape
- Flat slab subductionSubduction characterized by a low subduction angle
- Flatiron (geomorphology)Traditionally in geomorphology, a flatiron is a steeply sloping triangular landform create
- Flexible-fuel vehicleVehicle that runs on multiple fuels
- FlexitarianismDiet of reduced meat consumption
- Flight shameSocial movement that discourages airline flying
- Flinn-Engdahl regionalizationThe Flinn-Engdahl regions (or F-E regions) comprise a set of contiguous seismic zones whic
- FlintCryptocrystalline form of the mineral quartz
- Flint Ridge State MemorialFlint Ridge Ancient Quarries and Nature Preserve is a Native American flint quarry located
- Floating solarSolar panels mounted on a structure that floats
- FloodWater overflow submerging usually-dry land
- Flood basaltVery large volume eruption of basalt lava
- Flood Control Act of 1944United States federal law
- Flood Control Act of 1965The Flood Control Act of 1965, Title II of Pub. L.Tooltip Public Law (United States) 89–29
- Flood geologyPseudoscientific attempt to reconcile geology with the Genesis flood narrative
- Flood insuranceFlood insurance is the specific insurance coverage issued against property loss from flood
- Flood stageWater level in hydrology
- Flood warningWeather warning indicating areal flooding has been observed or is imminent
- Flooded grasslands and savannasTerrestrial biome
- FloodplainLand adjacent to a water body which is flooded during periods of high water
- Floods in BiharFlooding in the Indian state of Bihar
- Floods in MalaysiaFloods in Malaysia are one of the most regular natural disasters affecting the country, wh
- Floods in the United States (2000–present)Floods in the United States (2000–present) is a list of flood events which were of signifi
- Floods in the United States before 1900Floods in the United States before 1900 is a list of flood events that were of significant
- Florentino AmeghinoArgentine naturalist, paleontologist, anthropologist and zoologist
- Florida Caverns State ParkThe only State Park in Florida where you can walk through a dry cave system
- Floridan aquiferAmerican sequence of carbonate rock
- Flow batteryType of electrochemical cell
- FlowstoneFlowstones are sheetlike deposits of calcite or other carbonate minerals, formed where wat
- FluorapatitePhosphate mineral
- Fluorinated gasesFluorinated gases (F-gases) are a group of gases containing fluorine. They are divided int
- FluoriteMineral form of calcium fluoride
- Fluvial sediment processesSediment processes associated with rivers and streams
- Fluvial seismologyFluvial seismology is the application of seismological methods to understand river process
- Fluvial terraceElongated terraces that flank the sides of floodplains and river valleys
- Flying riverWater vapor transfer from the Amazon Basin
- Foam lineAccumulations of foam on the surface of freshwater water courses or bodies
- Focal mechanismProcess that generates seismic waves in an earthquake
- Foehn windDry downslope wind in the lee of mountains
- FogAtmospheric phenomenon
- Fold (geology)Stack of originally planar surfaces
- Fold and thrust beltSeries of mountainous foothills
- Fold mountainsMountains formed by compressive crumpling of the layers of rock
- FolgefonnaFolgefonna is a collective term for three plateau glaciers in the Hardanger region of Vest
- Foliation (geology)Repetitive layering in metamorphic rocks
- Folk classificationThe Folk classification, in geology, is a technical descriptive classification of sediment
- Follow This (organisation)Dutch climate-focused activist group
- Food milesDistance food is transported from production to consumption
- Food security in MadagascarThe island country of Madagascar remains plagued by political and economic instability, po
- Food vs. feedCompetition for resources between growing crops for human consumption and for animal feed
- Food vs. fuelDebate concerning diversion of food supply for biofuels
- ForearcRegion between an oceanic trench and associated volcanic arc
- Forecast EarthForecast Earth is the name for The Weather Channel's environmental initiatives. It also wa
- Forecast skillMeasure of accuracy of predictions
- Forecast verificationTerm
- Foreland basinStructural basin that develops adjacent and parallel to a mountain belt
- Forensic geologyForensic geology is the study of evidence relating to materials found in the Earth used to
- Forensic geophysicsUse of geophysics tools in forensic science
- Forensic meteorologyForensic meteorology is meteorology, the scientific study of weather, applied to the proce
- ForeshockEarthquake that occurs before a mainshock but is of lower magnitude
- Foreshore, Cape TownThe Foreshore is an area in Cape Town, South Africa, situated between the historic city ce
- Forest islandIsolated strand of tropical forest on the Amazonian savanna
- Forest managementBranch of forestry
- Forest protectionBranch of forestry
- Forgotten CoastThe Forgotten Coast refers to a largely undeveloped and sparsely populated coastline in th
- Formation of rocksGeological processes by which rocks are formed
- ForsteriteMagnesium end-member of olivine, a nesosilicate mineral
- Fort DixFort Dix, the common name for the Army Support Activity (ASA) located at Joint Base McGuir
- Fort Hays Limestone MemberThe Fort Hays Limestone is a member of the Niobrara Formation of the Colorado Group expose
- Fort Myers, FloridaCity in Florida, United States
- Fossil collectingCollecting fossils to study, collect or sell
- Fossil Forest, DorsetThe Fossil Forest is the remains of an ancient submerged forest from Jurassic times, locat
- Fossil fuel divestmentDivestment in companies that extract fossil fuels
- Fossil fuel exportersPetroleum, natural gas, and coal are exported from various source countries to countries r
- Fossil Fuel Non-Proliferation Treaty InitiativeDiplomatic and civil society campaign
- Fossil fuel phase-outGradual reduction of the use and production of fossil fuels
- Fossil fuel subsidiesFinancial support by governments for coal, oil, gas, and electricity generated from them
- Fossil fuels lobbyLobbying supporting the fossil fuels industry
- Fossil preparationAct of preparing fossils for research or exhibition
- Fossil waterAncient isolated water body
- Fossil woodWood preserved in the fossil record
- Fossils of the Burgess ShaleMid-Cambrian fossils from a deposit in British Columbia, Canada
- Foucault pendulumDevice to demonstrate Earth's rotation
- Foulden MaarFossil site in Otago, New Zealand
- Four Corners Methane Hot SpotClustering of large methane sources near Four Corners, New Mexico, US
- Four-State Tornado SwarmEarliest recorded tornado outbreak in the United States
- Fractional crystallization (geology)Process of rock formation
- FractureSplit of materials or structures under stress
- Fracture (geology)Geologic discontinuity feature, often a joint or fault
- Fracture zoneLinear feature on the ocean floor
- Fractus cloudCloud species
- Francis AlbarèdeFrench geochemist (born 1947)
- Franciscan ComplexThe Franciscan Complex or Franciscan Assemblage is a geologic term for a late Mesozoic ter
- Françoise GasseFrançoise Gasse (French pronunciation: ; born 1942; died 22 April 2014) was a French paleo
- Frank Wigglesworth ClarkeAmerican scientist and chemist (1847–1931)
- Fraser CanyonThe Fraser Canyon is a major landform of the Fraser River where it descends rapidly throug
- Fraser LowlandThe Fraser Lowland is a landform and physiographic region in the Pacific Northwest of Nort
- Fraser ValleyGeographical region in British Columbia
- Frederick Haynes NewellAmerican hydraulic engineer (1862–1932)
- Free public transportPublic transport not funded by fares from passengers
- Free-air concentration enrichmentFree-Air Carbon dioxide Enrichment (FACE) is a method used by ecologists and plant biologi
- Free-air gravity anomalyIn geophysics, the free-air gravity anomaly, often simply called the free-air anomaly, is
- Free, prior and informed consentPrinciple on Indigenous involvement in projects
- Freezing drizzleFreezing drizzle is drizzle that freezes on contact with the ground or an object at or nea
- Freezing levelAltitude in which the temperature is at 0 °C
- Freezing rainRain maintained at temperatures below freezing
- FreieslebeniteFreieslebenite is a sulfosalt mineral composed of antimony, lead, and silver. Sulfosalt mi
- French Gulch, CaliforniaFrench Gulch is a census-designated place (CDP) in Shasta County, California, United State
- Fresh waterNaturally occurring water with low amounts of dissolved salts
- Freshwater acidificationAcidification of freshwater by rain
- Freshwater ecosystemPart of Earth's aquatic ecosystems
- Freshwater swamp forestFreshwater swamp forests, or flooded forests, are forests which are inundated with freshwa
- FriabilityProperty of materials which break into smaller pieces when rubbed
- Friends of the EarthInternational network of environmental organizations
- Friends of the Earth EuropeEuropean branch of Friends of the Earth International
- FrontogenesisMeteorological process of producing weather fronts
- FrostCoating or deposit of ice
- Fugitive emissionUnintended release of gases
- Fugitive gas emissionsType of pollution from oil and natural gas drilling and coal mining
- Fujita scaleScale for rating tornado intensity
- FulguriteFulgurites (from Latin fulgur 'lightning' and -ite), commonly called "fossilized lightning
- FumaroleVolcanic opening that emits hot gases
- FumifugiumFumifugium, or, The inconveniencie of the aer and smoak of London dissipated together with
- Fundão, PortugalFundão (Portuguese pronunciation: ) is a city and a municipality in the Castelo Branco Dis
- Funnel cloudFunnel-shaped cloud not touching the ground
- Future Earth2012 environmental research program
- FynbosShrubland and heathland ecoregion of southwestern South Africa
