Across
- 1. a rise in temperatures around the world
- 5. cutting down entire forests
- 8. the death of an entire species
- 9. fuels formed by natural processes
- 11. the warming of the Earth's surface
- 14. severe changes in local weather patterns
- 15. energy from the sun
Down
- 2. where our garbage is buried
- 3. the layer of gas that surrounds the Earth
- 4. a gas formed by burning fuels
- 6. use the wind to generate electricity
- 7. a longterm shift in the Earth's weather
- 10. harmful materials in the environment
- 12. energy found in nature (sun, wind, water)
- 13. the condition of using without waste