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
- eyp9년 이하we need to prevent pollution😡😡😡😦😤.
rainbows12약 9년We need to stop polluting. #savetheartic- #awesome약 9년pollution is not the best y r ppl not paying attention
bosssuffield9년 이상My country needs to improve alot what about urs- Naina10년 이하So much detail but seriously we are a polluted place!
diamondkid10년 이상Not much.- paige10년 이상love it, it gives al ot of details
- Kimmy 10년 이상This story is AMAZING
- matteo10년 이상I loved it
- matteo10년 이상awesome story it was great