Across
- 2. volcano
- 4. trail; path
- 7. plant
- 8. grass
- 11. cloud
- 12. tree
- 13. law
- 14. land; soil
- 16. cow
- 19. stone
- 20. sky
- 21. (tropical; rain) forest
- 22. jungle
- 25. river
- 26. pollution
- 27. cat
- 28. nature
Down
- 1. flower
- 3. sun
- 5. star
- 6. desert
- 9. animal
- 10. factory
- 13. lake
- 15. bird
- 17. fish
- 18. crater
- 19. dog
- 23. moon
- 24. valley