China vowed Wednesday to cut its emissions by 7–10 percent over the next decade, a cautious commitment to climate action from the world's top polluter, as the United States doubles down on fossil fuels and Europe falters.
The pledge, delivered via video by President Xi Jinping to a UN climate summit where some 120 nations will outline plans to curb global warming, comes as disasters intensify worldwide -- from catastrophic floods in Pakistan to raging wildfires in Spain.