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Bill

HB 630

Require legislative approval of greenhouse gas rules

2025 Regular Session Introduced by Curtis Schomer

Requires Montana legislature to approve all state agency greenhouse gas regulations before implementation, shifting climate policy authority from executive agencies to lawmakers.

(H) Died in Process
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Bill Summary · HB 630

Legislative bill overview

HB 630 would require that any greenhouse gas emission reduction rules or regulations adopted by Montana state agencies must receive explicit legislative approval before taking effect. This would essentially shift regulatory authority from executive agencies to the legislature for climate-related environmental rules.

Why is this important

Currently, state environmental agencies can adopt regulations within their statutory authority without legislative sign-off. This bill would create a new approval requirement that could slow or block climate regulations, giving the legislature direct veto power over executive branch environmental policy. The outcome would significantly affect Montana's ability to implement federal climate standards and develop its own climate strategy.

Potential points of contention

  • Regulatory efficiency vs. legislative control: Supporters argue legislatures should approve major rules; critics contend this creates gridlock and prevents agencies from responding to environmental conditions
  • Federal compliance risk: Montana may face pressure from federal requirements or could lose federal funding/authority if it cannot implement mandated emissions standards without legislative delays
  • Definition ambiguity: The bill's scope—what counts as a "greenhouse gas rule"—could be interpreted broadly (affecting energy, agriculture, transportation) or narrowly, creating implementation disputes

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

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