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Migration Dialogue provides timely, factual and nonpartisan information and analysis of international migration issues through five major activities: the newsletters Migration News and Rural Migration News, Changing Face and other Research & Seminars, and the Sloan West Coast Program on Science and Engineering Workers.
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President Obama on June 2, 2014 proposed new regulations under the Clean Air Act to reduce emissions of greenhouse gases at power plants, which emit a third of US carbon. In December 2009 in Copenhagen, Obama promised to reduce US greenhouse gas emissions by 17 percent from 2005 levels before 2020. Congress rejected legislation to make Obama's proposal law in 2010.
Instead, the US is curbing greenhouse gas emissions by using more natural gas for fuel, by requiring cars to eventually get more than 50 miles to a gallon of gasoline, and via regulation to encourage power plants to shift from coal to natural gas. The US has 600 coal-fired power plants, and they are the major carbon emitters.
Natural gas emits roughly half the carbon dioxide of coal to produce a given amount of power, and proposed regulations from the Environmental Protection Agency in June 2014 aim to cut carbon pollution from US power plants 30 percent from 2005 levels by 2030 by speeding the shift from coal to natural gas and discourage a return to coal if natural gas prices rose.