Across
- 1. Energy created by moving air
- 2. A sudden overflow of water onto land
- 5. Dirty air caused by pollution
- 6. An area filled with trees and wildlife
- 8. Energy that causes little pollution
- 11. The layer of gases surrounding Earth
- 12. A greenhouse gas produced by humans and animals
- 13. The average weather conditions over a long period of time
- 14. Plants and animals living together in an environment
- 15. A powerful storm formed over warm oceans
- 17. Heat trapped near Earth’s surface by gases
- 19. A source of energy that naturally replenishes
- 21. Actions taken to reduce climate change
- 22. Energy that comes from the sun
- 23. Frozen water found in cold environments
- 24. The gradual increase in Earth’s temperature
- 26. Coal, oil, and natural gas fuels
- 27. Using resources carefully to protect the future
Down
- 1. Unwanted garbage or trash
- 3. Cutting down large areas of forests
- 4. A long period with little or no rainfall
- 7. A period of extremely hot weather
- 9. A vehicle powered by electricity
- 10. A gas-trapping system that warms Earth
- 13. Protecting natural resources and wildlife
- 16. Large floating pieces of ice
- 17. A large mass of moving ice
- 18. Fuel made from plants or organic materials
- 20. Pollution released into the air
- 25. Reusing materials instead of throwing them away