The Federal Circuit reversed a Court of Federal Claims ruling that the U.S. government was not liable for the flooding of homes near two Houston dams managed by the U.S. Army Corps of Engineers during Hurricane Harvey. Property owners downstream of the Addicks and Barker Dams argued that the governm...

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 a developer's motion to dismiss a challenge to the Army Corps of Engineers' decision to issue a CWA §404 permit for a proposed copper mine project in the Santa Rita Mountains. Environmental groups and Native American tribes argued that the Corps violated the CWA and NEPA wh...

The First Circuit again affirmed a district court order that remanded to state court Rhode Island's climate change lawsuit against oil companies. The district court concluded that none of the companies' grounds for removal—federal officer, federal question, Outer Continental Shelf Lands Act, admir...

In an emergency order, the U.S. Supreme Court denied several states' application to vacate the Fifth Circuit's stay of a district court ruling that had enjoined federal agencies from implementing interim estimates on the social cost of greenhouse gas emissions.
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