Why transitioning to only renewable energy will be difficult for the U.S.

After millions of protesters marched around the globe to demand action on climate change, we more closely examine what policies they are proposing. Miles O’Brien joins William Brangham to discuss current sources of U.S. energy and what it would take to transition to all renewables, plus the outlook for nuclear power as the infamous Three Mile Island plant closes.

Source: Why transitioning to only renewable energy will be difficult for the U.S.