How Polluted Is Your City?
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We all know that global warming is caused by greenhouse gases, largely carbon dioxide, that is emitted by everything ranging from home appliances and SUV's to the heating and lighting systems of office buildings. But since we don't see the gas, most of us simply shake our heads in dismay and then continue on with our bad habits. Now, researchers at Arizona State University are trying to change that.
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지금 학습 시작하기댓글 137개
mmsaustinm12년 이상If they say green house cause global warming then I don't know. Because greenhouses gives lot's of fresh air. But it really does stink that American's pollute the most. Figuring that there are so many recycle programs they run in our country.- kaaaayyllaa12년 이상nice
- DogoNews12년 이상this is really hurting environment a people need to put a stop to this places in alaska in the 1900s were ones icey plains until a few years ago they turned into lakes look up pics please help
- Tossing12년 이상It really is polluted!!!!!!!!!!
- ross man12년 이상globle warming is stuped
- lilnaja12년 이상i love the vedio!!!!!!
- lilnaja12년 이상wow!!! I like this artcle!!!
- gabbay12년 이상this article for my current events but is really interesting (sorta)
- MMSVadinM1012년 이상Is that true about the ozone layer? I think it is. Even though I don't like this pollution thing , I think it's true
- Mary oxentine12년 이상Is that really true about the ozone layer? :(