EPA set to delay greenhouse gas limits on oil refineries - chicagotribune.com

The U.S. Environmental Protection Agency, struggling with an ambitious agenda on clean air regulations, will likely delay proposing the country's first greenhouse gas limits on oil refineries, sources on both sides of the issue said.

Record high greenhouse gases to linger for decades | Reuters

Reuters) - Concentrations of the three main greenhouse gases blamed for global warming reached record levels in 2010 and will linger in the atmosphere for decades, even if the world stops emissions output today, the U.N.'s weather agency said on Monday.