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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.

TagEnvironment(96)

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  • Climate and Economic Justice Screening Tool

    Explore the map Share data feedback Census tracts that are marginalized by underinvestment and overburdened by pollution are highlighted as being disadvantaged on the map. Federally Recognized Tribes, including Alaska Native Villages, are considered disadvantaged communities, whether or not they have land. Zooming in and selecting shows information about each census tract. Get the data
    CategoriesFrom The Web TagsClimate, Environment, Policy
  • 2026-02-02

    Responsible Travel Handbook – Washington Tourism Organizations

    A handbook for Washington tourism organizations focused on responsible and sustainable tourism practices. Covers topics including diversity, equity, inclusion, accessibility (DEIA), environmental stewardship, Indigenous peoples and tourism, climate resilience, and destination management strategies.
    TagsEnvironment, Port Of Seattle, Tourism
  • 2026-01-26

    South Korea tightens indoor air quality standards in public facilities

    Legal updates in Korea Published : Jan. 26, 2026 – 13:28:59 Jung Min-kyung Updated Law: Enforcement Rule of the Indoor Air Quality Control Act What it does: Lowers allowable indoor ultrafine dust levels in public-use facilities Took effect: Jan. 1 South Korea has strengthened indoor air quality rules for public facilities in an effort to
    CategoriesFrom The Web TagsEnvironment, Health, indoor air quality
  • Wendy reiter
    2026-01-14

    Sea-Tac Veteran Named to Pilot Airport’s Future

    Transportation By Mike Merritt January 15, 2026 The Port of Seattle did not have to look far for the next leader for the Seattle-Tacoma International Airport. Wendy Reiter, the airport’s long-time security director, has been named Managing Director of the Port’s Aviation Division, taking charge at one of the most critical junctures in the airport’s
    CategoriesFrom The Web TagsAlaska Airlines, Environment, Port Of Seattle, Post Alley, Wendy Reiter
  • 2026-01-06

    Carrying capacity map, North Sea-Tac Park

    This document presents a Carrying Capacity map for North Sea-Tac Park, classifying land areas into four categories—Very High, High, Moderate, and Low—based on their suitability for various recreational activities. Very High areas can support intensive uses like sports fields and horse trails, while Low areas are too environmentally sensitive for most development. The map appears to be part of a passive recreational planning study examining how different zones of the park can be used without causing significant environmental harm.
    TagsEnvironment, North Sea-Tac Park, NSTP, Parks, seatac
  • 2025-12-26

    A Top Source of Lead Pollution Faced Tighter Rules. Then Trump Intervened

    The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought the exemption, emails show. By Maxine Joselow Photographs and Video by Caitlin O’Hara Maxine Joselow and Caitlin O’Hara reported from Miami, Ariz. Lee Becquet doesn’t like to leave the house with his 2-year-old son, Eugene. That’s because their
    CategoriesFrom The Web TagsEnvironment, Lead, New York Times
  • \
    2025-12-17

    Washington’s biggest polluter ordered to keep burning coal by Trump administration

    News & Stories Environment John Ryan TransAlta’s Centralia power plant emits steam and carbon dioxide on March 6, 2024. Courtesy Jeremy Long/WITF Two weeks before Washington State’s biggest source of climate pollution was required to end its five decades of burning coal, the Trump administration has given it a new lease on life. Energy Secretary
    CategoriesFrom The Web TagsEnvironment, KUOW, pollution
  • 11122025 Botanical5 123030
    2025-12-01

    Garden below Sea-Tac Airport’s flight paths thrives as its community grows

    By Tantri Wija Special to The Seattle Times WHEN WE MOVE to a new house, we can take our families, our pets and our furniture, but generally we have to leave the garden behind. They are planted in the ground, so usually that’s where they stay. However, if you want to badly enough, sometimes even
    CategoriesFrom The Web TagsEnvironment, Port Of Seattle, Sea-Tac Airport, Seattle Times
  • 2025-12-01

    2025 Report: Overburdened Communities Highly Impacted by Air Pollution

    A report by the Washington State Department of Ecology’s Air Quality Program examining overburdened communities that are highly impacted by air pollution. The document includes publication information, contact details for regional offices, and ADA accessibility information.
    TagsAir Quality Monitors, Environment, Environmental Impact Statement, PSCAA
  • November 20, 2025 POS Milllercreek 10 800X533 Email
    2025-11-20

    Miller Creek Restoration Project Flight Corridor Safety Project Logs

    A commercial jet aircraft is captured on low final approach over a naturalized area featuring fallen logs, a small stream, young planted vegetation with protective tubes, and autumn deciduous trees. The green berm and tall conifers in the background are consistent with airport-adjacent mitigation or habitat restoration landscaping.
    TagsEnvironment, Flight Corridor Safety Program, Miller Creek, NERA, Port Of Seattle

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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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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.
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