Biden and Xi are speeding up plans to tackle climate change

BEIJING (AP) — China and the U.S. have pledged to accelerate their efforts to address climate change ahead of a major U.N. meeting on the issue, making a commitment to take steps to reduce emissions of methane and other greenhouse gases besides carbon dioxide. The joint announcement came on the eve of a summit between Presidents Joe Biden and Xi Jinping that is aimed at stabilizing the rocky U.S.-China relationship. Cooperation between the world's two biggest emitters of greenhouse gases is considered vital to the success of the U.N. climate talks opening in two weeks in Dubai. It wasn't clear…