| A | B |
|---|
| Biodegradable | Materials that can be broken down and used as food by decomposers. |
| Biofuel | Fuels produced from plant materials. |
| Compost | A rich, soil-like mixture that is produced when organic materials such as yard, garden & kitchen wastes, break down. |
| Conservationist | A person who uses natural resources wisely. |
| Cullet | Glass that has been collected for recycling. |
| Ecological Footprint | Equal to the amount of land and water needed to sustain life on Earth and absorb wastes. |
| Environment | All of the natural and living things surrounding us (including air, water, vegetation, climate, wildlife, humans) that have an influence on us and our physical and biological existance. |
| Fossil Fuel | The remains of plant and animal life that are used to provide energy by combustion such as coal, oil, and natural gas. |
| Green | Concerned with or supporting the conservation of natural resources. |
| Greenhouse Gas | Gases that trap the heat of the sun in the Earth's atmosphere. |
| Landfill | A place where unwanted materials are deposited, compacted, and covered with dirt. |
| Non-renewable resource | A resource that is not capable of being naturally restored or replenished. |
| Pollutant | Any substance that negatively affects the health of humans, animals or ecoysstems. |
| Pollution | Contamination of air, soil, or water with harmful substances. |
| Recovered resources | Materials removed from waste for reuse. |
| Recyclable | Able to be used instead of raw materials to make a product. |
| Recycle | To reuse materials such as glass, aluminum, paper, steel, and plastic to make new products. |
| Renewable resource | A resource that is capable of being naturally restored or replenished. |
| Resource recovery | The extraction of useful material or energy from a waste stream, such as heat from the burning of municipal solid waste. |
| Watershed | The land area that drains into a water body like a creek, river, stream or ocean. |
