1. Presented by class 8A- Anh Dung junior high school. Environmental pollution

2. PURE & RICH Long time ago , our earth........

3. But now people all over the world are worried about things that are happening to the environment. smoke from factories, transport vehicles... A lot of garbage deforestation raw sewage from factories spraying pesticides

4. a lot of garbage Environmental pollution is one of the most serious problems facing mankind today .

5. Make the world a better place to live . We need do something .

6. Save our Earth to save our life.

7. Thank you