The reflectors at the PS10 solar tower plant sit at Sanlucar la Mayor outside Seville on April 24, 2007 in Seville, Spain. | Denis Doyle/Getty Images

Solar Power Is Poised for Big Gains in Global Energy Markets

Rapid growth could see the sun provide 50 percent of global electricity by 2050, but the US could get left behind by withdrawing from the Paris agreement on climate change.