• 2024-05-18 16:11

    2025 Federal Aviation Reauthorization Wins for Washington – Protecting Airport Communities

    Announcement about the 2025 Federal Aviation Reauthorization Act focusing on sustainable and reliable aviation. The legislation includes provisions for researching alternative aviation fuels like hydrogen and electric power, as well as efforts to improve energy efficiency at airports.
  • 2024-04-13 22:25

    Climate Protest Signs with Fossil Free Future Theme

    Image shows protesters holding signs with environmental and climate activism messaging, including ‘Fossil Free Future’ banners with artistic designs. The demonstration appears to be taking place in an urban setting with tall buildings in the background.
  • 2024-01-28 14:55

    Aircraft Light Trails Over Night Sky

    Long exposure photograph showing curved light trails of aircraft in flight against a dark night sky above a city horizon. The image captures the flight paths of multiple aircraft with their navigation lights creating streaking patterns through the darkness.
  • 2023-03-05 00:33

    Aircraft Size Comparison – A320, A321, and Transcontinental/Transatlantic H2 Aircraft

    Technical diagram showing side-by-side size comparison of four aircraft types: Airbus A320, A321, and two variants of hydrogen-powered aircraft designed for transcontinental and transatlantic routes. The diagram illustrates the relative scale and configuration differences between conventional and hydrogen aircraft designs.
  • 2023-01-23 00:00

    House Bill 1505 – Alternative Jet Fuel Industry in Washington

    A Washington State legislative bill (HB 1505) introduced in the 2023 regular session to promote the alternative jet fuel industry in Washington. The bill aims to use climate commitment act funds to promote sustainable aviation fuels production, reduce greenhouse gas emissions, and create manufacturing jobs while improving air quality for airport workers and surrounding communities.
  • 2022-08-20 22:07

    The Effect of Occupational Exposures to Aircraft Ultrafine Particles on Acute Cardiorespiratory Health, and Control Using Personal Protective Equipment

    > Habre, et al., 2018 study in LA compared asthmatic adults walking in an area affected by aircraft pollution vs walking in an area “not affected” by aircraft pollution. > Study found evidence of increased inflammatory marker (IL6) in blood when walking in the aircraft area > But roadway traffic contributed to different cardiorespiratory health risks (lower FEV1 and elevated sTNFrII) > But, some limitations of the study Evidence from previous studies Mariah’s Pilot crossover study Exposed to UFPs Not-exposed to UFPsHealthy Asthmatic Baseline 30m 60m 90m Health measurements at different times > Powered Air Purifying Respirator (PAPR) – “Non-exposure” when installed with HEPA + VOC filter – “Exposure” when installed with a sham filter Method for Controlling Exposure SeaTac Community Center: 13735 24th Ave S, SeaTac, WA Study Location Study Design (cont.) Baseline Health Measurements Min Walk Min Rest Min Walk Min Rest Min Health Measurements Min Rest Min Walk Min Rest Min Walk Min Rest Min Health Measurements Min Rest Min Walk Min Rest Min Walk Min Rest Min Health Measurements Data Collection: Exposure Assessment TSI OPS 3330: PM (#/cc) TSI NanoScan SMPS: UFPs (#/cc) microAeth AE51: BC (ng/cc) Aerodyne CAPS: NO2 (ppb) 3M SoundDetector SD- 200: Noise UFP Concentration and PAPR Effectiveness Data Collection: Health Measurements Instrument/Measurement Health Outcome Stress EMA tense/anxious, anger/hostility, depression, frustration, unhappiness Stroop Test Congruent, incongruent, Stroop effect Pulse Oximeter %SpO2, HR, PI Omron BP SBP, DBP, HR Apple Watch HR, HRV Spirometer FEV1, FVC, PEF, FEV1/FVC For the Pilot Study: asthmatics non-asthmatics…
  • 2011-12-29 20:10

    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
  • 1995-06-28 19:36

    Aircraft Emissions Rates for Landing/Takeoff Cycles – A300, 757, and 737 Aircraft

    Sum of GSE costs per LTO GSE .00 dollarsjhours Aircraft engine emissions per unit time (kg/hrjeng) or emissions from all ground support equipment per aircraft LTO (kg/LTO) co 49.208740 HC 29.839986 NOx 1.452657 sox .326848 Part . oooooo AIRCRAFT EMISSIONS RATES OR TOTAL GSE EMISSION PER LANDING/TAKEOFF CYCLE Geomode 1 - Takeoff (kg/hr/eng) Aircraft AIRCFT A300 Geomode 2 - Runway Queue (kgjhrjeng) Geographic mode GEOMODE 5 Geomode 3 - Touch & Go (kgjhrjeng) Geomode 4 - Taxi in;out (kgjhrjeng) Fuel FUEL.CD 13 Geomode 5 - Grnd supp equip (kg/LTO) Number of engines ENG.NUM 2 Geomode 6 - Test (kg/hrj eng) Geomode 7 - Climb (kgjhrjeng) Geomode 8 - Approach (kgjhrjeng) Time in mode TIMEMOD .00 minutes Sum of GSE costs per LTO GSE .00 dollars/hours Aircraft engine emissions per unit time (kgjhrjeng ) or emissions from all ground support equipment per aircraft LTO (kg/LTO) co HC NOx sox Part AIRCRAFT 2.899851 .639593 .514036 . 011015 .031774 EMISSIONS RATES OR TOTAL GSE EMISSION PER LANDING/TAKEOFF CYCLE -----------~--------------------------~--------------------------------- Geomode 1 - Takeoff (kgjhr/en.g) Aircraft AIRCFT l300 Geomode 2 - Runway Queue (kgjhrjeng) Geographic mode GEOMODE 6 Geomode 3 - Touch & Go (kg/hrjeng) Geomode 4 - Taxi injout (kg/hrjeng) Fuel FUEL.CD 13 Geomode 5 - Grnd supp equip (kg/LTO ) Number of engines ENG.NUM 2 Geomode 6 - Test (kgjhr/eng) Geomode 7 - Climb (kgjhrjeng) Geomode 8 - Approach (kgjhr/eng) Time in mode TIMEMOD • .oo minutes sum of GSE costs per LTO GSE .oo dollars/hours Aircraft engine emissions per unit time…
  • 1970-12-31 00:00

    42 USC Chapter 85, Subchapter II, Part B: Aircraft Emission Standards

    42 USC CHAPTER 85, SUBCHAPTER II, Part B: Aircraft Emission Standards Current 2024 Main Ed. (1/6/2025) [Titles 1 through 41] 2018 Ed. and Supplement V (1/3/2024) 2018 Ed. and Supplement IV (1/5/2023) 2018 Ed. and Supplement III (1/3/2022) 2018 Ed. and Supplement II (1/13/2021) 2018 Ed. and Supplement I (1/24/2020) 2018 Main Ed. (1/14/2019) 2012