US regulator shrugs off climate deniers
6 Aug 2010

Lisa Jackson ... finding based on years of science.
America's environmental watchdog has rebuffed challenges to a scientific study it published declaring climate change real, manmade and a threat to human health and the natural world.
Ten formal petitions disputed the Environmental Protection Agency's (EPA) determination in last year's study that climate change is real and accused the regulator of being part of a global conspiracy.
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