Across
- 6. when there is no rain
- 8. they produce electricity
- 11. cutting down a forest
Down
- 1. CO2
- 2. gases that trap the sun's beat
- 3. the Earth is getting hotter
- 4. tropical storms
- 5. harmful chemicals in the Air or water
- 7. coal, oil and gas
- 9. the ice in the Arctic and Antarctic
- 10. the tropical forest