Environmental justice has become an important issue on the 2020 presidential race, and historically ostracized groups are now playing a major role on the campaign trail. Pro's Zack Colman is following these groups, and how environmental justice is playing out on the campaign trail. Also, the E.P.A. inspector general fires back at the agency's leadership, as investigations pile up on the chief of staff. And, some of the 2020 presidential nominees speak about climate change on national television. Find more on the show at politico.com/energy-podcast.