1. Global warming It is produced by pollution It afects the earth, the environment :

2. The ground The air The water

3. The ground Radioactive materials Bateries Acid rain Destruction of the forest Killing animals

4. the air factories-fumes vehicles-smog aerosol cans

5. the water rubbish-litter petrol-oil Factories-chemical wastes

6. The pollution in the air, water, ground: .produces the hole in the ozone layer. .produces an increase in the world temperature. .the ice in the poles melts. .the level of the oceans and rivers rise. .there are more floods.

7. Iair Baredes Sofia Donzis Carol Niño 3°J