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Bill

Bill

LC 2340

Require legislative approval of greenhouse gas rules

2025 Regular Session

Montana bill requiring legislature to approve new greenhouse gas regulations before agencies can enforce them, shifting rulemaking authority from executive to legislative branch.

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Bill Summary · LC 2340

Legislative bill overview

LC 2340 would require Montana's legislature to approve any new greenhouse gas (GHG) regulatory rules before they can take effect. Currently, state agencies can adopt GHG regulations through administrative processes without explicit legislative authorization. This bill shifts regulatory authority from the executive branch to the legislature for climate-related environmental rules.

Why is this important

This addresses the ongoing tension between executive agency power and legislative oversight. It affects Montana's ability to regulate emissions from utilities, industry, and other sectors—potentially impacting climate policy implementation, business compliance costs, and the state's environmental standards. The bill reflects broader national debates about whether climate regulations should require legislative approval or can proceed through standard administrative rulemaking.

Potential points of contention

  • Delays in rulemaking: Requiring legislative approval could slow environmental response times and create uncertainty for regulated industries and environmental groups alike
  • Legislative gridlock: Controversial GHG rules may stall if legislature is divided, preventing both aggressive climate action and regulatory certainty for businesses
  • Scope ambiguity: The bill's language on what constitutes a "greenhouse gas rule" may be unclear, creating litigation risks and implementation disputes

Compiled from official sources — confirm details with the bill’s official record.

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