Resource
Fossil Fuel
Ferrous
Greenhouse Effect
Acid Precipitation
Geothermal Energy
Preservation
Animate Power
Power supplied by people or animals.
Renewable Energy
Fission
Nonferrous
Ozone
Photochemical Smog
Fusion
Sustainable Development
Development that meets the needs of the present without compromising the ability of future generations to meet their own needs.
Nonrenewable Energy
Radioactive Waste
Pollution
Biochemical oxygen demand
Cells, usually made of specially-treated silicon, that transfer solar energy from the sun to electrical energy
Recycling
Biodiversity
Air Pollution
Acid Deposition
Sanitary Landfill
Hydroelectric Power
Conservation
the preservation and careful management of the environment and of natural resources