In the Netherlands, farmers block a major highway with their tractors on Tuesday during a national protest. Farmers say their livestock and operations are being unfairly blamed for greenhouse gas emissions. Vincent Jannink/AFP/Getty Images hide caption
Elliot Berman with his team at Solar Power Corporation outside their office and manufacturing facility in Braintree, Mass., in 1973. John Perlin, author of Let it Shine: The 6,000-Year Story of Solar Energy, credits Berman with planting the flag of solar photovoltaics throughout the world. Solar Power Corporation via John Perlin hide caption
A historical sign memorializes the March 28, 1979, partial meltdown at Three Mile Island nuclear power plant. Brett Sholtis/WITF hide caption
Amazon CEO Jeff Bezos announces the company's climate initiative Thursday at the National Press Club in Washington, D.C. Paul Morigi/Getty Images for Amazon hide caption
Smoke fills the sky at the Abqaiq oil processing facility on Saturday in Saudi Arabia. AP hide caption
T. Boone Pickens founded the company that became Mesa Petroleum and later began a hedge fund focused on energy investments. He died Wednesday at age 91. Larry W. Smith/Getty Images hide caption
Rob Van Vleet secures a wind turbine blade onto an oversize truck at the Kimball Wind Farm in southwest Nebraska. Christina Stella/Harvest Public Media hide caption
A Rough Terrain Container Handler, or RTCH, moves a shipping container full of about 40,000 pounds of wood chips to a nearby railcar. Ryan Heinsius/KNAU hide caption
Mike Hickey works on capping an an orphaned well in Adams County, Colo. The EPA estimates there are more than 1 million abandoned gas and oil wells across the country. Matt Bloom/KNUC hide caption
Ty Cordingly and his dad at a local Gillette diner. He's seen coworkers leave the state for jobs and thinks Wyoming relies too much on the energy industry. Cooper McKim/Wyoming Public Media hide caption
The Environmental Protection Agency has released a proposed rule that could roll back requirements on detecting and plugging methane leaks at oil and gas facilities. Charlie Riedel/AP hide caption
A weather-worn sign protesting the Keystone XL pipeline stands in Fullerton, Neb. On Friday the state's Supreme Court dealt the pipeline's protesters a significant defeat, approving an alternate route that runs through Nebraska. Nati Harnik/AP hide caption