Across
- 3. — A large area filled with trees
- 8. — Dirty or harmful waste in the environment
- 9. — The natural world around us
- 11. — To use materials again instead of throwing them away
- 13. — The usual weather in a place over many years
- 14. — Harm caused to something
- 15. — Rain, snow, wind, or sunshine outside
Down
- 1. — The natural home of an animal or plant
- 2. — Something useful that people use from nature
- 4. — To keep something safe from harm
- 5. — Animals living in nature
- 6. — Power used for heat, light, or movement
- 7. — A group of similar living things
- 10. — A huge body of salt water
- 12. — Something made by nature, not people