| Obama administration officials said their signature effort to combat climate change will make only a modest dent in global greenhouse-gas emissions even as they called it an important first step.
With Republicans such as Representative Lamar Smith blasting a proposal from the U.S. Environmental Protection Agency to curb emissions from existing power plants, White House science adviser John Holdren defended it as an important step. Holdren said that India, China and Germany already are taking measures to curtail their emissions, too...........................................Full Article: Source
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