Across
- 6. All animals and plants in the ocean
- 7. Oceans becoming more sour (harmful)
- 8. Nature's CO2 vacuum (like forests)
- 12. Gases that make Earth warmer
- 14. Coral turning white (unhealthy)
- 15. Gas from ocean mud that heats Earth
- 16. Underwater "forests" of seaweed
- 18. Where river freshwater meets ocean
- 19. Oil, gas and coal (dirty energy)
Down
- 1. Cutting down too many trees
- 2. Weather patterns over many years
- 3. Tiny ocean creatures (whales eat them)
- 4. Giant slow-moving ice rivers
- 5. Energy from the sun
- 8. Beaches getting smaller
- 9. Catching too many fish
- 10. How plants make food from sunlight
- 11. Many different ocean animals/plants
- 13. Giant sea covering most of Earth
- 17. Many very hot days in a row