Joe Biden wants to be the president to change the course in the fight against climate change. But if he really wants to use the full power of the federal government, his EPA has to craft strong regulations that will pass legal muster. Today, Alex Guillen reports on the challenge of striking that balance. Anthony Adragna is an energy reporter for POLITICO and host of POLITICO Energy. Alex Guillen covers the EPA and environmental issues for POLITICO. Carlos Prieto is a Politico podcast producer. Jenny Ament is the senior producer of POLITICO audio. Irene Noguchi is the executive producer of POLITICO audio.