Across
- 1. Melting polar feature.
- 5. Reusable water ___.
- 9. “Earth’s lungs”.
- 11. Natural gas that contributes to global warming.
- 14. energy from moving air.
- 15. Melting ice can cause sea level __.
Down
- 2. The gradual warming of Earth.
- 3. Material made from trees.
- 4. What trees absorb.
- 6. Process by which plants make food using sunlight.
- 7. Famous frog who said, “It’s not easy being ___".
- 8. The third planet from the sun.
- 10. Best office plant for people who forget to water.
- 12. Percentage of the Earth's surface covered by water.
- 13. April 22 celebration for our planet.