Across
- 3. The ___ we breathe
- 5. Critically endangered California native
- 8. Methodical study of the material world
- 10. Grass or clean energy
- 12. Energy from the sun
- 16. "Take ___ pictures, leave ___ footprints"
- 17. Earth's UV shield
- 18. Like Don Quixote's foe
- 21. Environmental long-term planning
- 24. 2006 documentary: "Who Killed the ___?"
- 26. Established 1970; _.P.A.
Down
- 1. National Parks' father
- 2. The ___ we drink
- 4. Audobon Society obsession
- 6. Landscape; scenery
- 7. 2023 Earth Day slogan: "___ Our Planet"
- 9. Place to grow plants at home
- 11. The blue marble
- 13. Type of energy, as from Folsom Dam
- 14. Fertilizer, or how to make it
- 15. The ___ that feeds us
- 19. Fuzzy flying pollinators
- 20. Largest river in California
- 22. At the north and south pole
- 23. Reduce, Reuse, ___
- 25. For planting, or giving a hug