Converting the Economy to Renewable Energy Without Big Batteries

Living on Earth
A new study from NOAA argues that within 15 years the U.S. could slash energy sector global warming emissions by 80%, keep consumer costs low and meet increased demand. What’s more we would not need battery storage but we’d have to build new high tech transmission lines,. Study coauthor and weather expert Alexander MacDonald tells host Steve Curwood that studying the national weather map that gave him the idea. (published February 19, 2016)