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 states argued the president lacked authority to promulgate and enforce the estimates or to consider...

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 faced substantial and rising costs from the threat of climate change, to which the companies had substa...