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POPSgreenhouse gases pose threat to public health-EPA finds based on rigorous,per reviewed scientific analysis of 6 gases-carbon dioxide,methane,nitrous oxide,hydrofluorocarbons,perfluorocarbons and sulfur hexafluoride-the science shows that concentrations of these gases are at an all time high as a result of human emissions and they are likely the cause of the increase in average temperatures and other changes in our climate- and that these gases impact human health in several ways
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