New York TimesObama to Unveil Tougher Climate Plan With His Legacy in MindNew York TimesWASHINGTON — In the strongest action ever taken in the United States to combat climate change, President Obama will unveil on Monday a set of environmental regulations devised to sharply cut planet-warming greenhouse gas emissions from the nation's ...White House set to adopt sweeping curbs on carbon pollutionWashington PostObama to Require Steeper Emissions Cuts From US Power PlantsABC NewsObama to reveal plan for cutting greenhouse-gas pollutionUSA TODAYBoston Globe -San Francisco Chronicle (subscription)all 13 news articles »