http://www.youtube.com/watch?v=UcWpkWBX04E
I think this video has a lot of interesting facts. I didn't realize how bad air pollution really was. I can't believe that in some places, like China, just breathing the air outside is equivalent to smoking 2 packs of cigarettes a day. I also didn't know that car pollution is up to 90 percent of the total air pollution. This makes me think that we definitely need a new way of transportation, because the pollution is already too much. If anything, I think we should make a better effort of carpooling and walking when possible to places.
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