the enviloment

4. a large area of land covered with trees and underbrush
5. refers to a substance or material that can be broken down by living organisms
6. an accidental release of oil into a body of water, as from a tanker, offshore drilling rig, or underwater pipeline, often presenting a hazard to marine life and the environment.
9. the general weather conditions of a region, averaged over a series of years
10. an increase in the earth's average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect.
11. a great flowing or overflowing of water, esp. over land not usually submerged
16. a species of plant or animal at risk of extinction because of human activity, changes in climate, etc.
19. diversity of plant and animal species in an environment.

1. the cutting down of trees in a large area, or the destruction of forests by people
2. a steep fall or flow of water in a watercourse from a height, as over a precipice
3. a substance or chemical for killing plants
4. a natural high piece of land rising more or less quickly to a high point
7. a low area of land built up from deposits of solid garbage in layers and covered by soil
8. the layer of the upper atmosphere where most of the ozone is concentrated, from about 8 to 30 mi.
12. any naturally occurring, theoretically inexhaustible source of energy, as biomass, solar, wind, tidal, wave, and hydroelectric power, that is not derived from fossil or nuclear fuel.
13. a mountain or hill, usually having a cuplike crater at the top, that was formed around such a vent from the ash and lava that were given off from it.
14. a plant that has jointed stems and bladelike leaves and is grown for lawns, used as pasture, or cut for hay
15. any of the divisions of this body, commonly known as the Atlantic, the Pacific, the Indian, the Arctic, and the Antarctic oceans
17. the natural environment of a living thing
18. to treat or process (used or waste materials) so as to make suitable for reuse