Across
- 3. We study Earth from the sky in these
- 6. Part of our atmosphere
- 7. What we should do with bottles and cans
- 9. Earth day color
Down
- 1. What we need to protect
- 2. Don't ___. Use the garbage can
- 4. Planted when Tahoe won the cup reduction contest
- 5. Where our garbage goes
- 8. Turning off lights helps us to conserve