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
askinam14년 이하i did not know that
christdd14년 이하green house gases destroy the ozone layer we need to redoes them!they might kill us !!!!!!!!!!!!!!!!!!!!!!!!!!- Kay Kay14년 이하more people need to realize that it's a serious matter and not just stand by
- christdd14년 이하i know right
bigbro14년 이하This article was really interesting I can't believe global warming is actually happening! ( by the way I'm actually Ryan S! )- bigbro14년 이하This was awsome
- kkkkhhhg14년 이하its an ok artical
- Ryan $14년 이하They just told me everything I already know! I'm so smart.
- Ryan $14년 이하Once my friend was littering. I told him to stop and he kept doing it so I punched him in the face!
- Mohnish14년 이하I can't believe they can track emissions
- Mohnish14년 이하It is very weird in a sense too