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 이상we need to prevent pollution😡😡😡😦😤.
rainbows129년 이상We need to stop polluting. #savetheartic- #awesome9년 이상pollution is not the best y r ppl not paying attention
bosssuffield약 10년My country needs to improve alot what about urs- Naina10년 이상So much detail but seriously we are a polluted place!
diamondkid11년 이하Not much.- paige11년 이하love it, it gives al ot of details
- Kimmy 11년 이하This story is AMAZING
- matteo11년 이하I loved it
- matteo11년 이하awesome story it was great