Across
- 2. Waste material
- 3. Energy from the sun
- 7. Plants that help reduce carbon dioxide
- 9. The planet we live on
- 10. Use something again
Down
- 1. Home of plants and animals
- 4. Layer that protects Earth from UV rays
- 5. Turn waste into new materials
- 6. Color linked to nature and environment
- 8. Essential natural resource