Global warming: one of the thigns that people create just by doing everyday things. Global warming is caused by air pollution from car fuel from cars and any other forms of smoke that goes into the air. However, humans aren't the only thing polluting the air, cows are the worst of it. Everytime cows pass gas, they are polluting the air with toxic gasses that increase the risk of our world dying, every car we drive pollutes the air, and increases global warming.
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