How Polluted Is Your City?
언어
읽기 수준
기사 듣기
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.
이 기사의 나머지 부분을 읽고 학습 도구에 액세스하려면 등록해야합니다.
지금 학습 시작하기댓글 137개
mmsaustinm14년 이하If 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.- kaaaayyllaa14년 이하nice
- DogoNews14년 이하this 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
- Tossing14년 이하It really is polluted!!!!!!!!!!
- ross man14년 이하globle warming is stuped
- lilnaja14년 이하i love the vedio!!!!!!
- lilnaja14년 이하wow!!! I like this artcle!!!
- gabbay14년 이하this article for my current events but is really interesting (sorta)
- MMSVadinM1014년 이하Is 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 oxentine14년 이하Is that really true about the ozone layer? :(