2. The forests are burned down by the farmers.
3. Most of the world's rain is made by forests.
4. Forest fires are photographed by satellites.
5. Millions of animals are killed by deforestation.
6. Three percent of greenhouse gases are produced by aeroplanes.
7. The Sun's heat is trapped by greenhouse gases.
8. Extreme water is produced by climate change.
9. Carbon dioxide is absorbed by trees.
10. Electricity is produced by power stations.