Royal Dutch Shell PLC gave fresh signals that it intends to be a purveyor of low-carbon electricity. It bought a battery company and will partner with Google to test an exotic wind generator.

One man's effort in the 1990s to create an "artificial tree" to suck in and store man-made emissions of carbon dioxide has morphed into the design of "artificial forests" that can do the job more efficiently.

Attorneys representing a New York nonprofit in a landmark climate lawsuit tore into the federal government's argument that it cannot measure the indirect effects of some midstream gas projects it authorizes.

As California officials prepare to dismantle several offshore oil platforms, an old fight over what to do with the steel structures is resurfacing.

Senate Majority Leader Mitch McConnell (R-Ky.) wants to jam moderate Democrats by bringing up the "Green New Deal" for a vote.