Green Glossary – Z
- Zero Emission Vehicles or ZEVs
- Cars or vehicles that do not run on fossil fuel derived gasoline and consequently do not produce carbon emissions or air pollutants.
- Zero Energy Building or ZEB
- The term for buildings that do not consume energy from conventional power plants and that produce zero carbon emissions. A zero energy building does not rely on supply from the energy grid because it uses its own means to harvest energy on site, usually through solar, wind or hydro power.
- Zero Waste
- Zero waste is a philosophy and a design principle for the 21st Century.
- Zone of Saturation
- The layer beneath the soil surface that contains openings that may fill with water.
- Zoning
- The arrangement or partitioning of land areas for various types of usage in cities, boroughs or townships.
- Zoonosis
- Refers to any infectious disease that can spread from animals to humans or conversely from humans to animals.