Issue · Environment

Environment (Climate Change)

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

Total bills
32
2025-2026 Regular Session
Top supporter
Adrian Cortes
100% support rate
Top opponent
Andrew Engell
0% support rate
Ranked legislators
10
5 support · 5 oppose
Key legislators

Who's moving climate change in Washington

Legislators moving climate change in Washington
Legislator Party Stance Support rate Votes
Adrian Cortes
Adrian Cortes Senate · District 18
D
Strong +
100% 18
Julio Cortes
Julio Cortes House · District 38
D
Strong +
100% 18
Victoria Hunt
Victoria Hunt Senate · District 5
D
Strong +
100% 12
Adam Bernbaum
Adam Bernbaum House · District 24
D
Strong +
100% 9
Alex Ramel
Alex Ramel House · District 40
D
Strong +
100% 9
Andrew Engell
Andrew Engell House · District 7
R
Strong −
0% 9
April Connors
April Connors House · District 8
R
Strong −
0% 9
Brian Burnett
Brian Burnett House · District 12
R
Strong −
0% 9
Chris Corry
Chris Corry House · District 15
R
Strong −
0% 9
Chris Gildon
Chris Gildon Senate · District 25
R
Strong −
0% 9
Showing 11–20 of 32 bills

All environment bills

in committee · Washington · House Feb 25, 2026

HB 2306: Making supplemental transportation appropriations for the 2025-2027 fiscal biennium.

HB 2306 allocates supplemental transportation funding for Washington's 2025-2027 budget, primarily directing $18 million from the carbon emissions reduction account toward electric vehicle (EV) charging infrastructure. It prioritizes projects in multifamily housing, public locations, schools, and government facilities, requiring grantees to be local governments, tribes, or utilities. Specific allocations include $6.85 million for a sustainable aviation fuel initiative and $2 million for Snohomish County’s Paine Field research center. The bill mandates reporting on fund usage and coordination with state electrification programs, with tribal governments eligible for dedicated tribal electric boat grants.
in committee · Washington · House Feb 19, 2026

HB 2134: Concerning regional transportation plans, of regional transportation planning organizations containing certain counties, providing for reductions in greenhouse gas emissions and vehicle miles traveled.

HB 2134 requires regional transportation planning organizations (RTPOs) serving specific counties to include measurable reductions in greenhouse gas emissions and vehicle miles traveled (VMT) in their transportation plans. It applies only to counties meeting strict criteria: those with high population density (100+ people/sq mi, 200,000+ population), river-bordering counties with growth rates ≥1.65%, or counties west of the Cascades with ≥130,000 residents. The bill mandates RTPOs to develop integrated regional plans that prioritize cost-effective projects, coordinate across county lines, and include financial strategies, while requiring biennial plan reviews. These plans must balance regional mobility with climate goals, focusing on existing infrastructure efficiency and transportation demand management.
Sub-Topics Climate Change
in committee · Washington · House Jan 12, 2026

HB 1481: Concerning the commercial liftoff for energy from advanced nuclear study.

HB 1481 mandates a study on the potential benefits of advanced nuclear energy, specifically small modular reactors, for Washington's clean energy goals. The joint legislative audit committee must contract a third party to examine how nuclear energy could support grid decarbonization by 2045, create jobs, and potentially replace coal-fired power plants. The study must include recommendations on workforce development and feasibility of nuclear deployment, with a report due to the legislature by July 1, 2027. This bill does not enact new policy but directs a formal review of nuclear energy's role in the state's energy future.
signed · Washington · Senate May 2, 2025

SB 5036: Strengthening Washington's leadership and accountability on climate policy by transitioning to annual reporting of statewide emissions data.

Senate Bill 5036 strengthens Washington's climate policy by transitioning to annual reporting of statewide greenhouse gas emissions data. It requires the Washington State Department of Ecology and Department of Commerce to annually report total emissions to the Governor and legislative committees, moving from a previous biennial schedule. These reports must include emissions data from major economic sectors and now specifically include greenhouse gas emissions from wildfires. The bill aims to improve accountability and better track progress toward Washington's established goals for reducing emissions and achieving net zero by 2050.
Sub-Topics Climate Change
signed · Washington · House May 19, 2025

HB 1837: Establishing intercity passenger rail improvement priorities.

HB 1837 establishes specific improvement priorities for the Amtrak Cascades intercity passenger rail service, aiming to enhance the state's transportation system. It mandates the Washington State Department of Transportation to work towards target goals by 2035, including increasing on-time performance to 88% and boosting daily round trips between Seattle, Portland, and Vancouver, British Columbia. The department must also improve multimodal connections at stations and reduce greenhouse gas emissions. Furthermore, the bill requires the department to report annually on its progress and directs the Joint Transportation Committee to conduct an independent review of the Amtrak Cascades service development plan.
Sub-Topics Climate Change Rail
passed · Washington · Senate Mar 12, 2026

SB 5203: Ensuring connectivity for Washington wildlife through safe passages.

SB 5203 requires Washington's Departments of Fish and Wildlife and Transportation to develop and implement a statewide plan for protecting wildlife habitat corridors and building safe crossings (like overpasses and underpasses) to reduce animal-vehicle collisions. The bill creates a dedicated funding account, the Washington wildlife corridors account, which uses state funds and private donations to support projects such as land conservation, habitat restoration, and removing barriers like fences in key corridors. It mandates collaboration with tribes, federal agencies, and conservation groups, and requires annual reports on spending and progress toward reducing collisions (which cost over $74 million yearly). The law aims to protect habitats fragmented by development and climate change while improving highway safety.
signed · Washington · Senate Apr 22, 2025

SB 5391: Concerning the sustainable farms and fields grant program.

Senate Bill 5391 modifies the sustainable farms and fields grant program in Washington State, which offers financial assistance to farmers, ranchers, and aquaculture operations. The bill outlines various allowable uses for grant funds, such as annual payments for carbon storage, equipment purchases, technical assistance, and scientific studies aimed at reducing greenhouse gas emissions. It prioritizes projects that increase soil carbon, integrate vegetation, reduce emissions, or enhance energy efficiency and precision agricultural practices. Projects that benefit fish habitat or create pollinator habitat receive enhanced prioritization under this program.
in committee · Washington · House Jan 12, 2026

HB 1015: Concerning energy labeling of residential buildings.

HB 1015 requires cities and counties in Washington to mandate home energy performance reports before residential properties (like single-family homes and townhouses) are advertised for sale. The reports, valid for eight years, must include a U.S. Department of Energy home energy score, annual energy costs, greenhouse gas emissions estimates, and efficiency improvement recommendations. Local governments must first assess financial impacts on low-income sellers and implement cost-mitigation programs before enforcing the requirement. The bill also directs the Department of Commerce to create a standardized report format by November 2025.
Sub-Topics Climate Change
in committee · Washington · Senate Jan 12, 2026

SB 5438: Reducing greenhouse gas emissions associated with hydrofluorocarbons.

SB 5438 limits the sale of high-impact refrigerants in Washington by phasing out virgin hydrofluorocarbons (HFCs) with global warming potential above 2,200 by 2027, 1,500 by 2030, and 750 by 2033. It requires state agencies to use reclaimed refrigerants for maintenance and establishes a task force to study transition strategies for HVAC and refrigeration businesses. The bill directly affects businesses selling, distributing, or using HFCs in cooling systems, promoting climate-friendly alternatives and reclaimed refrigerant use. It includes temporary exemptions for technical challenges but mandates a 2027 report on implementation progress.
Sub-Topics Climate Change
in committee · Washington · House Jan 12, 2026

HB 1749: Ensuring consideration of climate change, carbon sequestration, environmental health disparities, and treaty-protected and cultural resources in the state environmental policy act.

HB 1749 requires Washington state agencies to consider four new factors in environmental reviews: climate change impacts (including life-cycle greenhouse gas emissions), carbon sequestration in forests and soils, tribal treaty-protected resources and access, and pollution exposure in overburdened communities. For example, agencies must assess if a timber sale harms mature forest carbon storage or if a project disproportionately increases pollution in vulnerable neighborhoods. The bill mandates updates to the state environmental policy checklist to ensure these considerations are integrated into all project reviews, including timber sales and development permits. It directly affects state agencies like the Department of Natural Resources and local governments conducting environmental reviews.
Showing 11 to 20 of 32 bills
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