Issue · Environment

Environment

Every environment bill, vote, and legislator stance in Montana, automatically classified by Maddy, our AI policy reader.

Total bills
25
2025 Regular Session
Top supporter
Frank Smith
82% support rate
Top opponent
Kathy Love
25% support rate
Ranked legislators
10
5 support · 5 oppose
Key legislators

Who's moving environment in Montana

Legislators moving environment in Montana
Legislator Party Stance Support rate Votes
Frank Smith
Frank Smith House · District 31
D
Strong +
82% 157
Marc Lee
Marc Lee House · District 74
D
Strong +
82% 164
Donavon Hawk
Donavon Hawk House · District 72
D
Strong +
81% 150
Denise Joy
Denise Joy House · District 46
D
Strong +
80% 165
Mike Fox
Mike Fox House · District 32
D
Support
79% 153
Kathy Love
Kathy Love House · District 85
R
Oppose
25% 154
Caleb Hinkle
Caleb Hinkle House · District 68
R
Oppose
29% 178
Braxton Mitchell
Braxton Mitchell House · District 5
R
Oppose
29% 160
Fiona Nave
Fiona Nave House · District 56
R
Oppose
30% 154
Becky Beard
Becky Beard Senate · District 38
R
Oppose
30% 171
Showing 1–10 of 25 bills

All environment bills

signed · Montana · House Sep 29, 2025

HB 259: Revise fish and wildlife commission techniques for gray wolf management

HB 259 revises Montana's gray wolf management rules to give the Fish and Wildlife Commission more flexibility in controlling wolf populations. It allows landowners to kill wolves threatening livestock or safety without a hunting license (subject to reporting and annual quotas), expands hunting/trapping on private land at night using thermal/infrared scopes, and permits unlimited wolf harvest in high-population areas. The bill directly affects landowners, hunters, and the Fish and Wildlife Commission, which must implement these changes. Key provisions include new landowner take rules, modified hunting seasons based on regional wolf numbers, and immediate implementation upon enactment.
vetoed · Montana · Senate Jul 11, 2025

SB 537: Generally revise marijuana tax laws

SB 537 revises Montana's marijuana tax revenue distribution, directing funds from the marijuana state special revenue account to new and existing state accounts. It requires transferring excess funds annually to specific accounts, including 12% to the HEART account for addiction treatment and mental health programs, 20% to wildlife habitat projects, and 14% to behavioral health initiatives. The bill also allocates funds for law enforcement canine training, sexual assault evidence kits, and homeless shelter support, while modifying existing transfer rules for agencies like the Department of Fish, Wildlife, and Parks. These changes apply to all state agencies receiving marijuana tax revenue under Montana law.
died · Montana · Senate May 23, 2025

SB 473: Prohibit weather modification.

SB 473 prohibits most weather modification activities in Montana, specifically banning large-scale "geoengineering" projects like spraying particles into the atmosphere to alter climate (e.g., stratospheric aerosol injection or marine cloud brightening). It exempts established cloud seeding practices used for agriculture and snowmaking under existing law (85-3-101 through 85-3-424). The bill directly affects researchers, companies, or entities conducting weather-altering experiments within Montana’s borders. Key provisions ban intentionally releasing chemicals or devices for weather control, temperature modification, or sunlight intensity changes, except for permitted cloud seeding. The law takes immediate effect upon enactment.
died · Montana · House May 22, 2025

HB 258: Requiring the extension of wolf hunting season

House Bill 258 (HB 258) aimed to revise laws concerning wolf hunting in Montana. The bill would have required the Fish and Wildlife Commission to authorize an annual wolf hunting season. Its main provision was to extend this wolf hunting season to conclude concurrently with the spring bear hunting season, allowing for specific regional adjustments by the commission. This legislation would have directly impacted wolf hunters and the state's wildlife management policies for wolves.
signed · Montana · House May 19, 2025

HB 685: Feasibility allowance for nondegradation policy

HB 685 establishes a "feasibility allowance" as part of the state's water quality nondegradation policy. This allows individuals or entities seeking to degrade high-quality state waters to request this allowance when working to meet water quality standards. The bill revises certain definitions, including expanding who is considered an "interested person" to include those requesting such an allowance. It also amends administrative rules and grants rulemaking authority to the Department of Environmental Quality to implement these new provisions, directly affecting industries and projects that impact state waters.
signed · Montana · House May 19, 2025

HB 923: Revise categorical exclusions from nondegradation authorization

HB 923 directs the Montana Department of Environmental Quality (DEQ) to amend its administrative rules by January 1, 2026. This amendment will create a new categorical exclusion from nondegradation authorization requirements. This exclusion applies to areas where a county commission demonstrates it has prohibited drinking water wells and ensures absorption trenches are at least 1,000 feet from downstream high-quality surface waters. The bill also appropriates $10,000 to the DEQ to implement these rule changes and provide guidance.
signed · Montana · House May 19, 2025

HB 684: Eliminate deadline for water quality data review

HB 684 eliminates a specific deadline that previously required the Department of Environmental Quality (DEQ) to review data used for water quality assessments. This bill amends Section 75-5-702, MCA, removing the requirement for the DEQ to complete these data reviews within a set timeframe. This change primarily affects the DEQ's operational procedures for monitoring state waters and assessing their quality, as well as individuals and entities who submit water quality data for review.
signed · Montana · House May 14, 2025

HB 587: Revise mine reclamation laws

HB 587 revises existing mine reclamation laws. The bill updates the definition of "material damage" and clarifies the hydrologic and geologic information required for mining permits. It grants rulemaking authority to the Department of Environmental Quality and amends specific sections of state law. These changes impact mining operations by adjusting the regulatory framework and definitions used for reclamation activities.
signed · Montana · House May 13, 2025

HB 703: Exempt GHG emissions analysis for appliances, vehicles, engines

HB 703 exempts specific state and local agencies in Montana from analyzing greenhouse gas emissions during certain environmental reviews. The bill states that the state department and local building departments are no longer required to analyze greenhouse gas emissions from covered appliances when adopting or enforcing building codes. It also exempts the state department from analyzing greenhouse gas emissions from new motor vehicles, engines, and nonroad vehicles, and emissions originating outside the state's borders. The bill cites federal preemption laws as the basis for these exemptions from environmental review.
vetoed · Montana · House May 13, 2025

HB 676: Generally revise state land and water laws

HB 676 proposes revisions to state laws governing land and water rights. It would eliminate the Water Court's duty to complete water rights adjudication by July 1, 2030, and repeals several related statutes. The bill also prohibits the Board of Land Commissioners from acquiring private water rights for state lands. Additionally, it requires the state to sell isolated land parcels with water rights to their current lessees, impacting water rights holders, the Water Court, and state land management.
Showing 1 to 10 of 25 bills
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