Held v. Montana
Held that Montana’s policy of excluding greenhouse gas emissions and related climate impacts from environmental reviews of fossil fuel projects violated the state constitution’s guarantee of a clean and healthful environment.
Held that Montana’s policy of excluding greenhouse gas emissions and related climate impacts from environmental reviews of fossil fuel projects violated the state constitution’s guarantee of a clean and healthful environment.
© 2025 Brennan Center for Justice at NYU Law
Related Commentary
How the Most Important Judicial Races of 2024 Played Out
The North Carolina race has not yet been called, as the Republican candidate is challenging the eligibility of thousands of voters in litigation that remains pending.
A Constitution Unique to Montana and Uniquely Montanan
The state’s 1972 charter is populist, pro-conservation, and libertarian.
2024’s Most Significant State Constitutional Cases
Legal experts identified the most important cases that advanced state constitutional rights this year.
Montana’s Climate Change Lawsuit May See Sequels Across America
Courts in Montana, Hawaii, and New Mexico have been receptive to claims by youth plaintiffs that failures to protect the environment violate state constitutions.