1. This song belongs certainly in this topic

3. Pollution of the air More poisonous gases in the atmosphere The worst situation in the biggest cities Caused by overusing cars Caused by heavy industry Some factories emit SO2 SO2 + rainwater = acid rain

4. Acid rains = industry gases joined with water steam Acid rains pollute the water and the soil Acid rains kill flowers, trees and even animals Then trees grow more slowly, they grow old too quickly and die

5. BUT?! A lot of forests are destroyed by the man because of wood and places for new buildings Forests are important for oxygen, food, fuel, shelter and medicines

6. Pollution of the water Caused by chemical factories They are built on river banks They release sewage water and industrial waste to these rivers A lot of water animals die

7. Shortage of water Some rivers are becoming drier Caused by global warming and by wasting water by man There is less fresh water Caused by pollution of water in the rivers

8. Global warming Caused by greenhouse effect Carbon dioxide absorbs heat from the sun More carbon dioxide = the temperature is going up Results : melting of icebergs, increase of sea level, risk od floods

9. Ozone layer protects us against UV radiation Ozone hole is caused by chlorine Chlorine is in the atmosphere because of freons Freons were used in fridges and sprays Now it is forbidden

10. Good deeds I don´t waste water I separate a rubbish I don´t use a car a lot

11. Bad deeds Using of chemical cleaning products Sometimes I waste energy

12. To conclusion http://www.youtube.com/watch?v=oAzEHa0tyN U&feature=related Save our planet and don´t pollute our environment!