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 efficiency standards for medium- and heavy-duty engines and vehicles. The group challenged the agencies' authority t...

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 the companies' decades-long campaign to downplay the effect of fossil fuel usage on climate change had da...

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 the group to publish interim estimates for the social costs of GHG emissions. Thirteen states challenged the ...

A district court remanded to state court a climate liability lawsuit brought by the state of Connecticut against an oil company. Connecticut sued the company in state court, asserting eight claims under the Connecticut Unfair Trade Practices Act. The company removed the suit to federal court based o...

The U.S. Supreme Court held, 7-1, that an appellate court erred in concluding it lacked jurisdiction to consider all of energy companies' grounds for removing to federal court a climate liability lawsuit brought against them. The city of Baltimore sued in state court, arguing the companies concealed...

The D.C. Circuit denied an oil company's petition for permission to appeal a district court order remanding to a local District of Columbia court a climate change lawsuit brought against it., full_html...

The D.C. Circuit granted the Biden Administration's motion to voluntarily vacate and remand the Trump Administration's 2021 rule limiting facilities that the U.S. government could regulate for greenhouse gas emissions., full_html...

The D.C. Circuit granted the Biden Administration's motion to voluntarily vacate and remand the Trump Administration's 2019 rule delaying implementation of an Obama-era regulation governing landfill emissions., full_html...

A district court granted a state's motion to remand to state court a climate change lawsuit against oil and gas companies. Minnesota sued the companies in state court under state common law and consumer protection statutes, arguing the companies developed a campaign to deceive the public about the d...

The Second Circuit affirmed dismissal of a lawsuit seeking damages from oil companies for harms caused by climate change. New York City sued the companies under state tort law to recover damages caused by the companies' legal commercial conduct in producing and selling fossil fuels. The companies mo...