Across
- 3. The tropical forests
- 6. Cutting down a forest
- 10. These produce electricity
- 11. Harmful chemicals in the air or water
Down
- 1. The Earth is getting hotter
- 2. The ince in the Arctic and Antarctic
- 4. gases Gases that trap the Sun´s heat
- 5. Tropical storms
- 7. fuels Coal, oil and gas
- 8. When there is no rain for a long time
- 9. Carbon dioxide