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
- Sarah- Orange13년 이하The United States generates so much more Carbon Dioxide than other countries!
- justin13년 이하wow cool
- cahleb13년 이하crasy
- hi13년 이하yah i care
queen1213년 이하me too
- space out13년 이하people don't care about this kind of stuff. THEY SHOULD!!!!!!!!!!!!!!!!!
- Beany Baby13년 이하People are so selfish now days. If we would just stop and look at the efect that we are haveing on the Earth than it wouldnt be as polluted and it would be a lot safer too.
partyhouse13년 이하People always say that they will try to improve on the problems we have in the world right?????? But it will take probally 10 to 20 years!!!!! hope they find a faster route...- lila13년 이하thanks for this article i am using this for project exite definitely
- jaquaveon p13년 이하i learn some new thing in the atride
kanegirl8813년 이하The U.S. needs to use solar and wind energy!
first92813년 이하Make that the world!