Across
- 5. The three Rs: Reduce, Reuse, and _____
- 7. The layer of gases that surrounds the Earth
- 8. The gas that makes up most of the air we breathe
- 11. Dioxide What trees absorb from the air to help fight climate change
- 12. A type of energy that powers windmills
Down
- 1. A source of energy from the sun
- 2. The opposite of ‘wasteful’
- 3. Small pieces of trash or rubbish, often found on streets
- 4. A natural home for plants and animals
- 6. Material like glass and paper that can be used again
- 9. A large body of salt water
- 10. A place where trash is buried underground