China US Climate

A wind turbine is under construction near a sunflowers farmland on the grassland in Zhangbei county, in north China's Hebei province on Aug. 15, 2022. The world's two biggest emitters of greenhouse gases are sparring on Twitter over climate policy, with China asking if the U.S. can deliver on the landmark climate legislation signed into law by President Joe Biden this week. (AP Photo/Andy Wong) XAW121