The Trump Administration has rolled back dozens of environmental regulations, which it regards as a burden to industry. Today on Short Wave, NPR National Desk correspondents Jeff Brady and Nathan Rott break down two — governing how the federal government regulates waterway pollution and emissions from coal-fired power plants.Follow reporter Emily Kwong on Twitter @EmilyKwong1234, Nathan Rott @NathanRott, and Jeff Brady @JeffBradyNews. Email the show at shortwave@npr.org.