Across
- 5. planet
- 7. different types of natural formations
- 10. teach
- 12. close to extinction
- 13. plants
- 14. to keep tidy
Down
- 1. you throw this away
- 2. nature
- 3. dirty air
- 4. reprocess
- 6. to make smaller
- 8. crisp and bright
- 9. use again
- 11. animals home
- 13. animals