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STNI
STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

TagEnvironmental Justice(14)

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  • 25 1505 Misc 12 12 25 Pdf
    2026-04-21

    25 1505 Misc 12 12 25

    Motion presented by Councilwoman Traci Park requesting the Department of City Planning to report back within 90 days on creating an Airport Noise-Contour and Environmental Exposure Overlay Zone. The motion addresses environmental and health impacts of airport-adjacent residential development, equity concerns for low-income communities, and best-practice standards for protecting residents in airport-impacted areas.
    TagsAirport Noise Law, City Of SeaTac, Environmental Justice, Noise Mitigation
  • 2026 04 21 at 11 18 29 Ejscreen
    2026-02-19

    When Federal environmental maps go dark

    The benefits and consequences for airport communities In January 2025, the Trump administration began removing content from federal websites following Executive Order 14151. The order directed all government agencies to terminate DEI and environmental justice–related programs. These include environmental justice and climate mapping using a nationally consistent dataset for evaluating the socioeconomic impacts of airports.
    CategoriesChange The Culture, News Stories TagsEnvironmental Justice, Executive Orders, Map
  • Ejscreen

    EJScreen Environmental Justice Screening and Mapping Tool (Version 2.3)

    This is an 1unofficial copy of EJScreen hosted by the Public Environmental Data Partners. Some links and text may incorrectly suggest that this site is affiliated with the US Government. The EJScreen Tool was an EPA web application taken down in January of 2025 as part of Executive Order 14151. It was described as “an
    CategoriesFrom The Web TagsEJScreen, Environmental Justice, EPA, Executive Orders, Map
  • 2025-12-01

    South Seattle Community 2025 Environmental Justice Report

    A community report from the Washington State Department of Ecology providing information about air quality, demographic data, greenhouse gas emissions, and health impacts for the South Seattle community. The report identifies the community as overburdened and highly impacted by air pollution based on screening criteria.
    TagsEcology, Environmental Justice
  • 2025-12-01

    South King County Community 2025 Environmental Justice Report

    An environmental justice report by the Washington State Department of Ecology’s Air Quality Program analyzing air pollution impacts in South King County communities. The report provides demographic data, air quality information, and health impact assessments for overburdened communities highly impacted by air pollution.
    TagsEcology, Environmental Justice, Ozone
  • 2025-02-24

    Trump Administration Environmental-Justice-Related Executive Orders: Potential Implications for EPA Programs

    Download PDF (415KB) | PDF Version History IF12922.5 In January 2025, President Trump issued executive orders (E.O.s) that revoked prior E.O.s, including E.O.s related to environmental justice. Another Trump Administration E.O. directed federal agencies to close environmental justice offices and cease environmental-justice-related programs. These three E.O.s could affect environmental-justice-related programs and activities administered by the
    CategoriesFrom The Web TagsCEQ, Congress.gov, Environmental Justice, EPA, Executive Orders
  • 2025-02-11

    House Bill 1948 – Environmental Justice for Large Port Districts

    Washington State House Bill 1948 introduced in the 2025 legislative session, relating to reducing environmental and health disparities and improving the health of Washington state residents in large port districts. The bill requires qualifying port districts to include environmental justice implementation plans and community engagement plans in their strategic planning.
    CategoriesKey Documents, Legislation Tags2026 legislative session, Aircraft Maintenance, Airport, community engagement, Environmental Justice, Port Of Seattle
  • 2025-01-15

    House Bill 1303 – Environmental Justice in Government Decisions

    Washington State House Bill 1303 introduced in the 69th Legislature to increase environmental justice by improving government decisions. The bill requires the Department of Ecology to add environmental justice as an element in environmental reviews and requires lead agencies to consider environmental justice when implementing environmental requirements.
    CategoriesLegislation TagsEnvironmental Justice, Washington State
  • 2023-10-24

    Property Tax Levy 2023 (and a few words about sex trafficking)

    Commissioners, It’s with an increasingly heavy heart we take in your  discussion of the Property Tax Levy every year now. Despite your claims to be the most progressive commission ever, the tax levy is evidence that your relationship with the cities under the flight path, especially fence line communities, is steadily becoming less equitable with
    CategoriesLegislation TagsEnvironmental Justice, Property Tax Levy, Sex Trafficking
  • 2022-10-12

    Port Package updates are essential to the American Dream

    A letter to the Commissioners of the Port of Seattle: explaining the history of Port Packages and their place in environmental justice. The American Dream is a safe, healthy home, at an affordable price, where you can raise your children, in one of the most beautiful areas in the world. But with so many Port Package failures and fewer and fewer new homes being eligible for sound insulation, that dream is becoming harder to achieve under the flight path.
    CategoriesChange The Culture TagsEnvironmental Justice, Port Package Program Updates, Port Packages

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Upcoming Events

  • Port of Seattle Commission Meeting – Resolution No. 3848
    Add to CalendarMTuesday Apr 28: 12:00am
    Port of Seattle

    Agenda Item 10b Resolution No. 3848: Port of Seattle Participation in City of Bellevue Tax Increment Area Approval of the Port’s participation in the city of Bellevue’s tax increment area, as authorized under RCW 39.114.020. Key Points: Authorization for City of Bellevue to enact increment area up to $500,000,000 in combined assessed valuation if connected

    [...]
  • Port of Seattle Regular Commission Meeting April 28, 2026
    Add to CalendarMTuesday Apr 28: 12:00pm
    17801 International Blvd, Seattle, WA 98158
    2026 04 28 RM Packet Pdf 1

    # New Business Items
    **Order No. 2026-04:** Directs Executive Director to explore a program facilitating secure area access for union business requirements at Seattle-Tacoma International Airport.

    **Resolution No. 3848:** Approves Port's participation in City of Bellevue's Tax Increment Area.

    **Fishermen's Terminal C-15 Building Improvements:** Authorization for Executive Director to approve funding to advertise and execute a major public works construction contract for project completion.

    [...]
  • StART (SEA Stakeholder Advisory Round Table) Meeting
    Add to CalendarMWednesday Apr 29, 5:00pm - 7:00pm
    Zoom Webinar
    Start Meetingagenda 2026429 Pdf 1

    - **SAMP Environmental Review**: Detailed comparison between SEPA Environmental Impact Statement and NEPA Environmental Assessment processes for Near-Term Projects
    - **Community Roundtable Updates**: Progress report on airport stakeholder engagement initiatives
    - **Next Steps**: Implementation timeline for environmental review findings

    **Notable Action Item:**
    Public comment period opened for stakeholder input on airport development plans.

    [...]

[See all...]


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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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This is the first study to combine a one-year mobile monitoring campaign with PMF (Positive Matrix Factorization) analysis to simultaneously estimate source-specific air pollution exposures and emission factors of different vehicle types. This methodology can be extended to other metropolitan areas.
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