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 NewsEPA Emissions Rule to Mandate Limits Beyond Proposed TargetsWall Street JournalSan Francisco Chronicle (subscription) -Washington Examinerall 11 news articles »