ENVIRONMENT

3. Damage caused to water, air, etc. by harmful substances or waste.
5. To damage something so badly that it cannot be used.
8. To use something again.
9. A violent movement of the earth.
10. The significant variation of average weather conditions becoming, for example, warmer, wetter, or drier—over several decades or longer.
12. To keep safe or in good condition.

1. To use too much of something or use something badly when there is a limited amount of it.
2. A large amount of water covering an area that is usually dry.
4. To become or to make something become smaller in size, amount, degree, importance, etc.
6. A long period when there is little or no rain.
7. To not use too much.
8. To make used paper, plastic, glass, etc. into new materials.
11. An extremely large wave caused by a violent movement of the earth under the sea.