Z
- Zanclean floodTheoretical refilling of the Mediterranean Sea between the Miocene and Pliocene Epochs
- ZeoliteMicroporous, aluminosilicate mineral group
- Zero carbon housingHouse that does not emit greenhouse gasses
- Zero-carbon cityCity that has no carbon footprint
- Zero-energy buildingEnergy efficiency standard for buildings
- Zinc cycleThe zinc cycle is a biogeochemical cycle that transports zinc through the lithosphere, hyd
- ZirconZirconium silicate mineral
- Zonal and meridional flowDirections of fluid flow on a globe