President Biden entered office identifying climate change as one of four historic crises facing the United States. Nearly two years later, detractors claim that a lack of urgency, the divisive state of Congress, and a combative Supreme Court could stifle his agenda. This conversation between Michael Regan, administrator of the EPA, and Gina McCarthy, the White House national climate advisor, will focus on challenges the federal government is facing and progress that has been made in the administration’s ambitious environmental agenda.