A district court granted Boulder County's motion to remand to state court its lawsuit against energy companies for causing, contributing to, and exacerbating climate change. The companies argued the challenge belonged in federal court because it threatened to interfere with long-standing federal pol...

A state appellate court reversed a judgment upholding the Colorado Mined Land Reclamation Board's order granting a uranium mining company's request for approval of a second period of temporary cessation. Environmental groups argued the lower court erred in affirming the Board's order because the ord...

A district court vacated the the U.S. Forest Service's approval of an open-pit copper mining operation in the Coronado National Forest that included the dumping of approximately 1.9 billion tons of mine waste across over 2,000 acres of the forest. Environmental groups and tribes argued the Service m...

A district court granted Rhode Island's motion to remand to state court a challenge against energy companies for contributing to climate change. The state argued its challenge should be removed back to state, where it was initially brought, to seek relief for the damage the companies had and would i...

A district court dismissed a lawsuit brought by nonprofit groups and individuals alleging that climate change and the U.S. government's failure to protect them from the effects of climate change violated their constitutional right to a safe and sustainable environment. Plaintiffs argued the governme...