Waste Management

6. practice that mimics nature by using bacteria to decompose yard trimmings, vegetable food scraps, and other forms of biodegradable organic waste into materials than can be used to improve soil fertility.
7. any discarded material or substance that threatens human health or the environment because it is poisonous, dangerously chemically reactive, corrosive, or flammable.
8. the combined solid wastes produced by homes and workplaces other than factories.
10. a variety of coordinated strategies for both waste disposal and waste reduction.

1. excess materials produced by mines, farms, and industries that produce goods and services.
2. the treatment of pollutants or waste by the use of microorganisms that break down the undesirable substances.
3. process by which waste materials are converted into different products.
4. process of observing certain changes in nature, studying how natural systems have responded to such changing conditions over many millions of years, and applying what is learned to dealing with some environmental challenge.
5. pumping of liquid hazardous waste under high pressure through a pipe into dry, porous rock formations far beneath aquifers that are tapped for drinking and irrigation water.
9. waste disposal site on land in which waste is spread in thin layers, compacted, and covered with a fresh layer of clay or plastic foam each day.