Protesters disrupt construction of the Bayou Bridge Pipeline in early September. Trespassing near pipelines is now a felony offense in Louisiana, punishable by up to five years in jail.
A gas flare at a natural gas processing facility near Williston, N.D. The Trump administration wants to ease regulations on methane emissions from energy production on public lands.
Model 3 sedans sit on display outside a Tesla showroom. For California to reach its ambitious climate change goals, every vehicle sold by 2040 in the state will have to be a zero-emissions vehicle.
President Trump, flanked by Commerce Secretary Wilbur Ross (left) and Energy Secretary Rick Perry (right), announces the approval of a permit to build the Keystone XL pipeline, in March 2017.
Solar panels are mounted on the roof of the Los Angeles Convention Center on September 5. The state's governor has signed a landmark bill setting a goal of 100 percent clean energy for the state's electrical needs, by the year 2045.
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A support vessel is seen next to a massive wind turbine at the Walney Extension offshore wind farm operated by the Orsted energy company off Britain's west coast on Sept. 5.
A sign is posted in late 2015, during a leak at a natural gas storage well at a Southern California Gas Company storage facility in the hills above the community of Porter Ranch, a suburb of Los Angeles.
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The Garzweiler coal mine and power plant near the city of Grevenbroich in western Germany. Plans to expand an open-pit brown coal mine in the eastern German village of Pödelwitz have prompted protests.