Across
- 1. dangerous event caused by nature
- 4. amount of pollution a person produces
- 8. keep something in good condition
- 10. at risk of disappearing
- 11. use carefully and avoid waste
- 12. the usual weather of a place
- 14. long period without rain
- 15. making something dirty or harmful
- 16. animals living in nature
- 17. a storm that brings wind, rain, and destruction
- 18. increase in Earth’s temperature
Down
- 2. inform people about a problem
- 3. convert waste into reusable material
- 5. tropical forest with heavy rain
- 6. use less
- 7. explosion of lava and ash from a volcano
- 9. energy from natural sources that don’t run out
- 10. the natural world around us
- 13. overflow of water