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air pollution

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Paul Deng

on 2 May 2013

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Transcript of air pollution

I. Most air pollution are mainly caused by carbon dioxide.
II. CO2 take the biggest part Other substances are little,while they are more hazardous.
Caused ozone layer being damaged The Danger of Air Pollution Some reasons which are result in air pollution Air pollution consists of gaseous, liquid, or solid substances. Reasons result in air pollution

I. Excessive deforestation
II. Factories produce harmful gas
III. Vehicle emissions
IV . Burning waste ? What problems can air pollution cause ? major causes in Beijing
I. Sand storm
II. Acid rain Discussion

Let's think about how to deal with
air pollution problem. Government Personal Publish policies Factory Change the idea of
choosing transportation Reduce gas emission Conclusion

Air pollution: biggest problem approaches to solve bad for people health Bad for environment global warming acid rain sandstorm lung disease the old and the children Leader: Chao
Team mates: Real, Paul what is IT
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