Global Warming is true

Amber T,Nakyia A,Keenan J

Why humans cause global warming

Do you believe in Global Warming ?Well you should because humans are burning fossil fuels into the air ,because of human actives like cars ,factors ,power plants and more human actives. Lower carbon dixode levels have caused global cooling by weak greenhouse gases.

Explains Carbon Dioxide

Carbon dioxide is released into the air by factories and human activies. many factories are the reason why carbon dioxide is released into the air and causing the ozone layer to break.
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Pro Global Warming Folder - http://edmodo.com/folder/994079