Across
- 2. Opposite of waste
- 7. Harmful emissions
- 8. Needs to stay clean
- 11. Environmentally friendly
- 14. Type of sustainable energy
- 16. Layer that needs protection
- 17. Offset your footprint
- 19. Material we need to reduce
- 20. Nature's air purifiers
Down
- 1. We’re trying to save this
- 3. Long-term environmental care
- 4. We need to protect this
- 5. Energy from the sun
- 6. ___ waste movement
- 9. A precious resource
- 10. Diet with environmental benefits
- 12. Prefix for environment terms
- 13. Sort your trash here
- 15. Use less of it
- 18. Our only home