The mitigation of greenhouse gas emissions, already one hot topic, got even hotter with the 16 June 2009 publication of the White House report Global Climate Change Impacts in the United States. "Choices made about emissions reductions now and over the next few decades will have far-reaching consequences for climate-change impacts," warned the strongly worded report, which empha-srzed the growing sense that action must be taken soon to avoid catastrophic public health fallout from accelerating climate change-a sense echoed in a proposed ruling by the U.S. Environmental Protection Agency (EPA) seeking authority to regulate greenhouse gases as a potential public health threat.
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