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🌏🚨: The U.S. is officially back in the Paris climate accord – 107 days after leaving the pact, the Associated Press's Seth Borenstein reports: “While Friday’s return is heavily symbolic, world leaders say they expect America to prove its seriousness after four years of being pretty much absent. They are especially anticipating an announcement from the U.S. in coming months on its goal for cutting emissions of heat-trapping gases by 2030."