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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.

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    2017-08-24

    Talking Toxics | Part 1: Funding in Crisis

    Educating Voters Environmental Priorities Coalition Lobby & Advocacy A series on protecting all communities from dangerous pollution. For 50 years, Washington Environmental Council has set our sights on a cleaner, brighter future and charted a path to get there. In 1988, WEC campaigned to pass Initiative 97 (commonly called the Model Toxics Control Act or
    CategoriesFrom The Web TagsEnvironment, Health, Model Toxics Control Act, MTCA, pollution, Washington Conservation Action
  • 2017-05-11

    Modeling variability in air pollution-related health damages from individual airport emissions

    Researchers used advanced air quality modeling to estimate the health impacts of emissions from 66 U.S. airports, including how pollution from each individual airport contributes to premature deaths. The study found wide variation in health damage across airports, driven largely by nearby population density and local atmospheric conditions. These findings can help inform emissions control policies at specific airports to better protect public health.
    TagsEnvironment, O3, Ozone, PM25, pollutionFolderHealth
  • 2016-07-15

    Air Quality Criteria Pollutant Emissions Inventory Task 2.8: Working Paper – Documentation of Assumptions

    This 2016 working paper documents the methods and assumptions used to build an air quality emissions inventory for Seattle-Tacoma International Airport as part of the Sustainable Airport Master Plan. Using the FAA's EDMS modeling software, analysts estimated pollution from sources including aircraft engines, ground support equipment, parking, and stationary facilities such as generators and boilers. Aircraft operation data for 2014 was gathered from multiple sources, including FAA tower records, airline guides, and the Port of Seattle's own noise monitoring system.
    TagsAviation Emissions, EDMS, EPA, Leigh-Fisher, pollution, Port Of Seattle, SAMP, Sustainable Airport Master PlanFolderSAMP
  • KUOW: These Are Washington’s Top 10 Climate Polluters 01/29/16

    he Tesoro refinery in Anacortes, one of Washington’s top 10 sources of greenhouse gases. Credit: Flickr Photo/Scott Butner (CC BY NC ND 2.0) These Are Washington’s Top 10 Climate Polluters By John Ryan Jan 29, 2016 at 9:30 am The biggest climate polluters in Washington have been identified, according to numbers out this week: the
    CategoriesFrom The Web TagsEcology, KUOW, pollution
  • 2014-10-13

    Firefighter PFAS training exercise October 13, 2014

    Two firefighters in silver proximity suits and yellow helmets operate a hose line deploying fire-suppression foam across a tarmac area. A large cylindrical aircraft fuselage mockup is visible in the background, consistent with an Aircraft Rescue and Firefighting (ARFF) training exercise at an airport facility.
    TagsAircraft Maintenance, Fire fighting, Health, PFAS, pollution, Sea-Tac Airport, Stormwater, Water QualityFolderFire - PFAS
  • 2011-12-29

    Obama’s Climate Betrayal

    Elizabeth Kolbert Some international disputes are significant for symbolic reasons, others for substantive ones. The current conflict between the United States and the European Union over airline-emissions limits is both. Unfortunately this means that the U.S. is doubly on the wrong side. The Obama Administration ought to be applauding the Europeans. Instead it’s threatening a
    CategoriesFrom The Web TagsAviation Emissions, ICAO, New Yorker, pollution
  • 2011-12-08

    2008 King County Community Greenhouse Gas Emissions Inventory: “Geographic Plus” Methodology

    This 2011 report by the Stockholm Environment Institute estimates King County, Washington's greenhouse gas emissions for 2008 using a 'geographic plus' methodology, covering sources such as transportation, buildings, industry, and waste. Total emissions reached approximately 23.4 million metric tons of CO2 equivalent in 2008, a 5% increase from 2003, with transportation accounting for roughly half of all emissions. The findings were used by King County and its partners to identify major emission sources and develop strategies to meet community greenhouse gas reduction goals.
    TagsClimate, Environment, Greenhouse gases, King County, pollution, State of WashingtonFolderPublic Health
  • Plane Exhaust Kills More People Than Plane Crashes

    Toxic pollutants kill at least ten thousand annually, study says. By Mason Inmanfor National Geographic News Published October 10, 2010   There’s a new fear of flying: You’re more likely to die from exposure to toxic pollutants in plane exhaust than in a plane crash, a new study suggests. In recent years, airplane crashes have
    CategoriesFrom The Web TagsNational Geographic, pollution
  • 2010-01-01

    Port Of Seattle environmental report to the community 2009-2010

    The Port of Seattle's 2009–2010 Environmental Report to the Community outlines the port's efforts to become a national leader in environmental and sustainability programs, covering topics such as air quality, water quality, and resource conservation. CEO Tay Yoshitani emphasizes that sustaining the region's 194,000 port-related jobs depends on also sustaining the environment, and highlights how energy-saving efficiencies can reduce costs while benefiting the environment. The report includes environmental metrics for Seattle-Tacoma International Airport and recaps 2010 sustainability initiatives.
    TagsEnvironment, pollutionFolderEnvironment
  • 2008-03-01

    2005 inventory of Seattle greenhouse gas emissions: Community & corporate

    This 2005 report from the City of Seattle's Office of Sustainability and Environment measures greenhouse gas emissions across the Seattle community and city government operations. It uses two approaches: a geographic inventory tracking emissions within Seattle's boundaries, and a corporate inventory covering the city government's facilities and operations. The report was compiled by consultant Roel Hammerschlag and audited by Envirometrics, Inc., serving as a baseline reference for Seattle's climate planning efforts.
    TagsGreenhouse gases, pollution, SeattleFolderEnvironment

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

[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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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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