Across
- 2. active at night.
- 4. the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual or organization.
- 6. the reduction in the number or quality of something.
- 7. a type of plant or animal that might stop existing
- 8. the protection of plants, animals and natural resources
- 9. the natural environment where an animal or plant lives
Down
- 1. energy that is produced using natural resources such as the wind, sun, etc.
- 3. to make air, water or soil dirty
- 5. able to be broken down naturally