Global warming is not good for the enviorment. It kills polar bears and melts ice caps. Everyday a polar bears are dead becasue of the reason of global warming. Global warming is somwething that is not contrllabel. The reason is becasue these cars make the earth damaged and now in the year 2011 we are trying to do something but with all the gas in the air you cant do anything. We can do something about is is to have electrical cars which we do have but they are very expensive that is why we can helpo the earth by haveing cars that are electrical, that way we can have less damage to the earth and to the animals.



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