Since the ‘70s, federal agencies have conducted separate environmental reviews before allowing big infrastructure projects to move forward, a step that usually delays these projects for years. But yesterday, the president announced a fundamental reform to the way these reviews happen. POLITICO’s Zack Colman explains. Kelsey Tamborrino is an energy reporter 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.