Constitutional Right to a Clean Environment
The Montana Supreme Court’s interpretation of the ‘clean and healthful environment’ clause within its state constitution marks a significant judicial decision. In the Held v. Montana case, the court ruled that this clause includes the right to a stable climate system. This determination arose when youth plaintiffs argued that the state’s promotion of fossil fuels violated their constitutional rights. The court’s decision reflects the environmental foresight of the 1972 constitutional convention, which emphasized protecting Montana’s natural resources for future generations.
The court rejected the state’s argument that Montana’s contribution to global climate change was negligible. Chief Justice Mike McGrath likened this stance to following others’ faulty decisions, stating:
"We reject the argument that the delegatesโintending the strongest, all-encompassing environmental protections in the nation, both anticipatory and preventative, for present and future generationsโwould grant the State a free pass to pollute the Montana environment just because the rest of the world insisted on doing so."
The ruling asserted that Montana’s constitutional obligations are not diminished by the broader global context.
The court also addressed the question of legal standing, affirming that the plaintiffs, although minors, had experienced harm specific enough to warrant judicial consideration. This perspective came despite state claims that such grievances were indistinguishable from general public concerns.
Justice Jim Rice dissented, viewing the perceived injury as non-specific and within the legislative framework’s purview. However, the majority maintained that denying standing simply because climate impacts are widespread would effectively shield the state from accountability.
The decision challenges the state to address environmental considerations in all energy-related projects moving forward, ensuring that greenhouse gas assessments are included in larger projects’ environmental frameworks.

Impact of the Held v. Montana Decision
The Held v. Montana decision invalidates statutes that limited the scope of environmental reviews concerning greenhouse gas emissions. This ruling solidifies the constitutional backing for a clean and healthful environment under the Montana Constitution and affirms the rights of youth plaintiffs as stakeholders in environmental governance.
The court’s decision mandates state agencies to comprehensively assess the environmental impacts of proposed fossil fuel projects. This requirement underscores a shift toward greater accountability in state-sanctioned energy policies and integrates climate considerations into decision-making processes.
The ruling’s broader implications extend beyond Montana’s borders. As one of the first judicial acknowledgments aligning climate stability with constitutional rights, this case may serve as a reference for future climate-related legal challenges. It encourages a dialogue around constitutional interpretations that accommodate evolving environmental realities and reinforces the notion that states have both the authority and responsibility to pursue sustainability within their jurisdictions.
This legal development sets a precedent for addressing environmental degradation within the framework of state constitutions. It may inspire similar legal actions in other states, potentially contributing to enhanced environmental governance across the nation.
Legal and Political Reactions
The Montana Supreme Court’s ruling in Held v. Montana has sparked diverse reactions, particularly among the state’s political leaders and legal entities. Central to this discourse are questions about judicial overreach and the separation of powers.
Governor Greg Gianforte and Republican legislators have expressed concerns that the court’s decision extends judicial authority into policy-making areas traditionally reserved for the legislative and executive branches. They argue that energy policy decisions should be driven by elected representatives rather than judicial mandates, considering economic realities and the interests of Montana’s citizens.
"This Court continues to step outside of its lane to tread on the right of the Legislature, the elected representatives of the people, to make policy," said Governor Gianforte.
Critics emphasize the importance of maintaining clear delineations between governmental branches to preserve democratic processes and uphold the principles of a constitutional republic. They contend that such boundaries are crucial to ensuring that the judiciary does not encroach upon the powers vested in the legislature by the people.
Proponents of the ruling, including environmental law organizations, argue that the judiciary’s role is to safeguard constitutional rights, including the right to a clean and healthful environment. They view the court’s proactive stance as necessary to align state practices with constitutional obligations.
The case highlights the tension between interpreting foundational constitutional principles and adapting them to contemporary issues. It raises questions about the judiciary’s role in a constitutional republic and how states balance power while responding to emerging global challenges like climate change.

The Montana Supreme Court’s decision reaffirms the judiciary’s role in safeguarding constitutional rights. It challenges us to consider how these foundational values can guide our approach to environmental stewardship. How might this ruling influence future legal and policy decisions regarding climate change and environmental protection in other states?
- McGrath M. Held v. Montana. Montana Supreme Court. 2023.
- Montana Constitution. Article IX, Section 1. 1972.
- Gianforte G. Statement on Montana Supreme Court Decision. Office of the Governor. 2023.