The U.S. can be powered 100% by renewable energy. How do we get there?

A study by Stanford scholar Mark Z. Jacobson and a team of researchers at both Stanford University and the University of California at Berkley in 2015 created a road map for a 100% renewable future. Ambitious? Sure. Unlikely? Perhaps.

Skeptics shot it down, optimists pointed to it for inspiration. Since 2015, it’s been basically debunked.