Across
- 2. Long period with no rain
- 3. common material made from oil, often polluting
- 6. Another word for Earth
- 9. Material we use for power, like solar or wind
- 11. Too much water covering land
- 12. General weather conditions over many years
- 14. Trash or material not needed
- 16. Layer in the atmosphere that protects us from UV rays
- 18. color connected with ecology
- 19. Animals and plants living naturally
Down
- 1. warming Dangerous rise in Earth’s temperature
- 4. Upper layer of the ground
- 5. To use things again to avoid waste
- 7. Gas we breathe every day
- 8. Dirty gases or chemicals released into nature
- 9. Our home in space
- 10. Large area covered with trees
- 13. Gas released when burning fuel
- 15. Liquid essential for life
- 17. All living things around us