A climate deal between China and the United States, the world’s No. 1 and No. 2 carbon polluters, is viewed as essential to concluding a new global accord...
As part of the agreement, Mr. Obama announced that the United States would emit 26 percent to 28 percent less carbon in 2025 than it did in 2005. That is double the pace of reduction it targeted for the period from 2005 to 2020.