Across
- 2. Greenhouse gas that contributes to climate change
- 3. Substance that damages the environment
- 5. A day to plant trees
- 9. Day A day dedicated to raising awareness about environmental issues
- 10. Renewable source of energy
Down
- 1. Where trees and plants grow
- 4. Chemical element essential for all living organisms
- 6. The largest terrestrial mammal
- 7. A biodegradable material
- 8. Reduce, ___, Recycle