The new goal calls for reducing net emissions by 61% to 66% below 2005 levels in 2035. President Joe Biden is pledging to cut U.S. greenhouse gas emissions by more than 60% by 2035 as he fights to ensure his legacy on slowing global warming, even as President-elect Donald Trump vows to undo much of Biden’s climate work when he takes office next month.Biden said the new goal—which supersedes a previous plan to cut carbon emissions at least in half by 2030—keeps the United States on track to achieve net-zero greenhouse gas emissions economy-wide by 2050.