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epa04871107 Exterior view of the Ravenswood Generating Station, which uses natural gas, fuel oil and kerosene to power its boilers, in Long Island City, New York, USA, 03 August 2015. United States President Barack Obama is unveiling a new climate change strategy today which, among other measures, is aiming to get the country's existing power plants to reduce their emissions, as measured in 2005, 32 percent by 2030. EPA/JUSTIN LANE