The rules, which come two decades after Congress ordered the agency to regulate toxic air pollution, would give power plants nationwide just three more years to slash mercury and other harmful emissions. But some big power plants are angling for more time.
Canada is withdrawing from the 1997 Kyoto Protocol agreement on climate change, with Environment Minister Peter Kent arguing that the framework doesn't represent the way forward for Canada or the world.
The vast, untapped natural gas reserves in Pennsylvania's Marcellus Shale are the subject of much debate. Scientists who are trying to shed light on the safety of drilling are facing a host of obstacles, including lack of funding and data. Susan Phillips Scientists who are trying to shed light on the safety of drilling are facing a host of obstacles.
After a third sleepless night, climate negotiators in Durban, South Africa, finally found a way to reach a compromise early Sunday. The agreement charts a course for a legally binding climate pact that would include all the major emitters, including China, the United States and India.
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