Across
- 3. the planting of trees and plants to help a damages forest recover
- 5. to use things like energy, fuel, materials, etc.
- 6. carrying harmful bacteria or toxins that can cause disease or death
- 7. to release or prohect something
- 8. able to function without outside help
Down
- 1. the contamination of the environment
- 2. the protection and preservation of natural environments and resources
- 4. able to use less energy