Electric power generation

ADDS LOCATION - In this Sunday, May 19, 2019, photo released by the U.S. Navy, the fast combat support ship USNS Arctic transports cargo to the Nimitz-class aircraft carrier USS Abraham Lincoln during a replenishment-at-sea in the Arabian Sea. (Mass Communication Specialist 3rd Class Jeff Sherman/U.S. Navy via AP)

In this April 8, 2019, photo, Tim Tanksley, who has been fighting for years trying to convince Oklahoma lawmakers to crack down on the coal ash dumping, stands outside a dump site in Bokoshe, Okla. President Donald Trump’s EPA has approved Oklahoma to be the first state to take over permitting and enforcement on coal-ash sites. “They’re going to do absolutely nothing,” Tanksley said. (AP Photo/Sue Ogrocki)

Democratic Presidential candidate Washington Gov. Jay Inslee speaks during an event at the Blue Plains Advanced Wastewater Treatment Plant in Washington, Thursday, May 16, 2019, during an event where he unveiled part of his plan to defeat climate change. (AP Photo/Susan Walsh)

In this undated photograph obtained by The Associated Press, a UAV-X drone flown by Yemen's Houthi rebels is seen in Hodeida, Yemen. A Yemen rebel drone strike this week, likely by UAV-Xs, on a critical Saudi oil pipeline shows that the otherwise-peaceful sandy reaches of the Arabian Peninsula now are at risk of similar assault, including an under-construction nuclear power plant and Dubai International Airport, among the world's busiest. (AP Photo)

FILE- In this Nov. 29, 2006, file photo, steam rises from the huge boiler units at the coal-fired Jim Bridger Power Plant east of Rock Springs, Wyo. U.S. demand for coal to generate electricity will continue to weaken in coming months despite efforts by the Trump administration to prop up the struggling industry, federal officials said Thursday, May 9, 2019. Renewable energy sources are expected to fill much of the gap left by coal’s decline, according to the Energy Information Administration. (Jeff Gearino/The Casper Star-Tribune via AP, File)

United Nations Secretary-General Antonio Guterres speaks during an interview at United Nations headquarters on Tuesday, May 7, 2019. Guterres said the world has to change, not in small incremental ways but in big “transformative” ways into a green economy with electric vehicles and “clean cities” because the alternative “would mean a catastrophic situation for the whole world.” (AP Photo/Mary Altaffer)

In this photo released by the official website of the office of the Iranian Presidency, President Hassan Rouhani speaks in a cabinet meeting in Tehran, Iran, Wednesday, May 8, 2019. Rouhani said Wednesday that it will begin keeping its excess uranium and heavy water from its nuclear program, setting a 60-day deadline for new terms to its nuclear deal with world powers before it will resume higher uranium enrichment. (Iranian Presidency Office via AP)

FILE - in this Thursday, Jan. 12, 2017 file photo, laborers walk in the Nihran Bin Omar field north near Basra, Iraq. Prime Minister Adel Abdul-Mahdi said Tuesday, May 7, 2019 that he has instructed Iraq's Oil Ministry to finalize an agreement with global energy giants ExxonMobil and PetroChina to lead a $53 billion megaproject to boost oil production. (AP Photo/Nabil al-Jurani, File)