The Ninth Circuit affirmed in part and reversed in part a district court's grant of summary judgment in a challenge to the Bureau of Ocean Energy Management's and the Bureau of Safety and Environmental Enforcement's authorization of well stimulation treatments on offshore oil drilling platforms in t...

The Massachusetts Supreme Court affirmed a lower court's denial of an oil and gas company's motion to dismiss a civil enforcement action brought by the Massachusetts attorney general (AG) based on the company's communications with investors and consumers concerning the impact of climate change. The ...

A district court granted in part and denied in part summary judgment for environmental groups in a challenge to the National Park Service's (NPS') policy directive instructing park superintendents to allow e-bikes in areas where traditional bikes were used, and subsequent rule amending NPS regulatio...

A district court granted in part and denied in part BLM's and the Forest Service's motion to remand a challenge to the agencies' approval of a master development plan concerning oil and gas development activities on Colorado's Western Slope. Environmental groups argued the agencies violated NEPA by ...

The Ninth Circuit, 2-1, affirmed a district court ruling that the Forest Service acted arbitrarily and capriciously in approving a mining operations plan for a copper mine in the Santa Rita Mountains. The Service approved the plan based on its conclusion that §612 of the Surface Resources and Multi...