As promised, President Biden has recommitted the U.S. to the Paris climate agreement. He’s also undertaken sweeping executive action to undo the previous administration’s environmental rollbacks. But after four years of lagging behind the rest of the world, the U.S. will face significant challenges in achieving meaningful emissions reductions without new legislation. And that means a tough road ahead working with an evenly divided Senate and moderates in Biden’s own party from states that remain dependent on fossil fuels.… More