clean energy

Wind turbines, of the Block Island Wind Farm, tower over the water on October 14, 2016 off the shores of Block Island, Rhode Island. AFP via Getty Images hide caption

It took about a decade to get the Ku'ia Solar plant in Lahaina, Maui up and running. Hawaii's utility commissioners hope that new "performance-based regulation" will better incentivize the monopoly utility to get solar plants like this onto the grid more quickly. Julia Simon for NPR hide caption

Florida Gov. Ron DeSantis speaks to the media about the cruise industry during a press conference at PortMiami in April. DeSantis faces criticism for failing to do all he could on Florida's biggest environmental threat: climate change. Joe Raedle/Getty Images hide caption

Kelp plants grow on a 30-foot-long, white PVC pole suspended in the water. If this is successful, instead of just one row, there would be a whole platform, hundreds of meters across and hundreds of meters deep, full of kelp plants. Courtesy of David Ginsburg/Wrigley Institute hide caption

U.S. Energy Secretary Ernest Moniz takes part in a press conference at the end of the 2015 meeting of the International Energy Agency Governing Board on Nov. 18, 2015 in Paris. ERIC PIERMONT/AFP/Getty Images hide caption

Vera Cole is president of the Mid-Atlantic Renewable Energy Association, a group arguing against proposed rules in Pennsylvania that would put stricter limits on how much grid-connected solar power homeowners can produce on their property. Jeff Brady/NPR hide caption

The new rules' would reduce harmful emissions, the EPA says. David Paul Morris/Getty Images hide caption