The Fourth Circuit affirmed a district court order that remanded to state court the city of Baltimore's climate change lawsuit against oil companies. The city alleged it sustained climate…

The Fifth Circuit granted the Biden Administration's motion to stay a district court ruling enjoining federal agencies from implementing interim estimates on the social cost of greenhouse gas…

The Second Circuit affirmed in part and dismissed in part a district court ruling in a lawsuit brought by an oil company against the New York and Massachusetts attorneys general. The company had…

A district court granted states’ motion to preliminarily enjoin federal agencies from implementing the Biden Administration’s interim estimates on the social costs of greenhouse gas emissions. The…

The Tenth Circuit affirmed a district court’s order remanding to state court a climate liability lawsuit against fossil fuel companies. Municipalities in Colorado argued in state court that they…

The Alaska Supreme Court affirmed, 3-2, a lower court's dismissal of a climate liability lawsuit brought against the state of Alaska. Alaskans argued the state's natural resource…

A district court granted Delaware's motion to remand to state court its climate liability lawsuit against fossil fuel companies. Delaware argued it had suffered, and would continue to suffer…

The D.C. Circuit granted a trade group's petition to review a 2016 rule issued by EPA and the National Highway Traffic Safety Administration that set greenhouse gas emissions and fuel…

A district court remanded to state court a climate liability lawsuit brought by the city of Hoboken, New Jersey, against large oil and gas companies. The city filed suit in state court, alleging…

A district court dismissed a challenge to the president's Executive Order No. 13990, which established an interagency working group on the social cost of greenhouse gases (GHGs) and directed…