Human Impact of The Environment

2. Any physical matter that is obtained or made from plants, animals, or the ground.
6. An increase in the average temperature of the Earth's surface.
8. The contamination of the environment with subsidences that are harmful to life.
11. The natural process that occurs when certain gases in the atmosphere absorb and reradiate thermal energy from the Sun
13. Any change in Earth's climate including Global Trends in warming cooling precipitation wind directions and other related measures.
14. The mix of both solid and liquid particles in the air.
17. The removal of large areas of forests for human purposes.

1. A process in which mind land is restored with soil and replanted with vegetation.
3. The contentment of air by harmful substances including gases and smoke.
4. A gas in the atmosphere that absorbs earth's outgoing infrared radiation
5. Air pollution that forms when interaction between chemicals in the air and sunlight.
7. An area of permeable sediment or rock that holds significant amounts of water.
9. The careful use of Earth's material to reduce damage of the environment.
10. The development of towns and cities on previously natural areas.
12. Precipitation that has a lower pH than that of normal rain water.
15. Process of planting trees to replace trees that have been cut or burnt down.
16. The loss of color and corals that occurs when stress corals expel the colorful algae that lives in them.