Climate

A man rides a motorcycle past a home engulfed by a massive wildfire, Tuesday, Dec. 5, 2017, in Ventura, Calif. Wind-whipped flames consumed hundreds of homes in the city, 80 miles northwest of Los Angeles. (AP Photo / Jae C. Hong)

Construction is underway on a piling of the Red Bridge pedestrian bridge over the Des Moines River in Des Moines, Iowa., March 28, 2017 A little more than a decade after it was restored, crews went back to the site with a crane to hoist the span more than 4 feet higher, at a cost of $3 million, after experts concluded that the river's flooding risk was double the previous estimates. (AP Photo/Charlie Neibergall)

A drain pipe sticks out of a coal ash retention pond at Dominion's Possum Point Power Station in Dumfries, Va., June 26, 2015. The company was moving coal ash from several ponds to one lined pond. (AP Photo/Steve Helber)