Across
- 3. – damage to air, water, or land.
- 5. – plants, animals, and the Earth.
- 9. – the study of nature and living things.
- 10. – things people throw away.
- 12. – the natural world around us.
Down
- 1. – human impact on the environment.
- 2. – protecting resources for the future.
- 4. – power used to do work.
- 6. – usual weather conditions.
- 7. – many different plants and animals.
- 8. – protecting nature.
- 11. – using materials again instead of throwing them away.