Obama White House; Michael Brochstein/SOPA Images/LightRocket via Getty Images; AP Photo/Susan Walsh; N.C. Department of Environmental Quality; Photo by Alex Edelman/Getty Images; and REUTERS/Beawiharta. President-elect Joe Biden formally introduced his climate team during a press briefing Saturday. The team is stacked with pro-climate heavyweights and a number of firsts, including Michael Regan, who would be the first Black man to lead the Environmental Protection Agency if confirmed. Biden has said he intends to make climate change a top priority, though his agenda will face steep challenges in a divided government.