LiveScience: President Barack Obama unveiled an ambitious new plan today (June 25) to curtail U.S. greenhouse gas emissions as part of a far-reaching climate change strategy that he said, "should send a strong signal to the world that America intends to take bold action to reduce carbon pollution."
Obama outlined the policy objectives -- which focus on reducing the amount of carbon pollution in the United States, preparing communities to withstand the effects of a warming planet, and leading global efforts...