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Biden to open global Earth Day summit with ambitious new US climate pledge
WASHINGTON (AP) - President Joe Biden will open a global climate summit with a pledge to cut at least in half the climate-wrecking coal and petroleum fumes that the U.S. pumps out, a commitment he hopes will spur China and other big polluters to speed up efforts of their own.Biden is offering Americans and the world a vision of a prosperous, clean-energy United States where factories churn out cutting-edge batteries for export, line workers re-lay an efficient national electrical grid and crews cap abandoned oil and gas rigs and coal mines.Helen Mountford, the vice president for climate and economics at the World Resources Institute, discusses the Paris Agreement, an accord that President Biden rejoined.His commitment to cut U.S.