Across
- 2. Energy sources like coal, oil, and gas.
- 4. footprint
- 5. The Earth getting warmer because of pollution.
- 8. Gas or smoke that goes into the air.
- 10. When a plant or animal disappears forever.
- 11. of pollution a person or thing makes.
Down
- 1. The way heat stays around the Earth because of gases in the air
- 3. Dirty or harmful things that damage the environment.
- 6. The natural home of an animal or plant.
- 7. To use old things again instead of throwing them away.
- 9. consumption The amount of energy we use every day