Utilities serving thousands of Texans exceed legal limits for radium.

A Canadian oil and gas company wants to continue operating its Michigan pipeline for 99 more years; tribes and climate groups are pushing back.

California’s first commercial carbon-burial project is underway, even though the state has yet to adopt rules required by law.

The tech giant is investing in the natural-gas-burning power plant as part of a huge data center in Texas, even as it pledges to honor climate commitments.