Plain-English summary
Does federal law bar state-law claims over harms from global greenhouse-gas emissions?
The Court will decide whether federal law preempts or otherwise prevents state-law claims seeking damages or injunctions for harms that plaintiffs say were caused by interstate and international greenhouse-gas emissions. The case was granted from the Colorado Supreme Court and is pending briefing and argument.
Why this matters
The decision could determine whether local governments and others can use state law (like nuisance, public nuisance, trespass, or similar claims) to seek money or court orders from fossil-fuel companies for harms tied to global climate change, or whether federal law and policy limit or displace those state-law remedies. The ruling will affect who can sue, what remedies are available, and how climate harms get addressed in courts versus by federal regulation and foreign relations considerations.
Who may feel it
- Local governments and states that have sued fossil-fuel and energy companies
- Energy, oil, and gas companies doing business across states and internationally
- Insurers and businesses facing climate-liability exposure
- Federal government interests in foreign relations and national policy
- Communities and property owners claiming climate-related harms