Summer sale: Save 58%

Lucien Georgeson

FILE - In this file photo taken July 16, 2014, Christian Oggenfuss stands near solar panels on top of the living roof at the Odette Estate winery in Napa, Calif. A new estimate from the U.S. government shows that California met about half of the state's electricity demand for three hours on March 11, 2017--the state's goal is for 50 percent of all electricity to come from renewable sources by 2030. (AP Photo/Eric Risberg, File) (AP)

U.S. green economy growth dwarfs Trump’s highest hopes for the fossil fuel industry

Lucien Georgeson, Mark Maslin