Apr 22, 2021
In this Jan. 27 file photo, President Joe Biden signs an executive order on climate change, in the State Dining Room of the White House in Washington. Biden is convening a coalition of the willing, the unwilling, the desperate-for-help and the avid-for-money for a two-day summit aimed at rallying the worldâs worst polluters to do more to slow climate change. Bidenâs first task as his virtual summit opened this morning is to convince the world that the United States is both willing and able isnât just willing to meet an ambitious new emissions-cutting pledge, but also able. (AP Photo/Evan Vucci)