Our Transition to Fluorine-Free Foam

Randy Krause October 2023 The Port of Seattle Fire Department continues on a five-year journey to find the safest, most efficient aircraft firefighting foam (AFFF) replacement and make Seattle-Tacoma International (SEA) one of the first U.S. airports to complete the steps for the transition after federal approval. In 2018, it was obvious the FAA would

The secret dispute behind cleaning Seattle’s only river

By  Lulu Ramadan Seattle Times staff reporter This article was produced for ProPublica’s Local Reporting Network and The Seattle Times, with support from the Investigative Journalism Fund. Sign up for Seattle Times newsletters and alerts and ProPublica’s Dispatches to get stories like this one as soon as they are published. Times Watchdog stories dig deep to hold power accountable, right wrongs and

Beautiful Sunsets vs. Particulate Matter

Limit your exposure to particulate matter. Limit your cumulative risk. The smoke from wildfires has once again blanketed the areas around Sea-Tac Airport, creating PM2.5 air quality readings often seen more in Third World countries. Unfortunately, most of us are highly biased to only perceive dangers we can see. For example, many of you will

Study shows traffic-related air pollution in Irvine weakens brain function

Anna Aldrich, University of California, Irvine The brains of wild type (WT) and Alzheimer’s (APP) mouse models were analyzed after exposure to purified air (Con) and ultrafine particulate matter (PM) for the presence of astrocyte cells. These were visualized by staining them green (left column), with potentially harmful and activated astrocytes appearing in red (middle

California becomes the first state to adopt emission rules for trains

April 27, 2023 SACRAMENTO, Calif. — California approved Thursday a first-in-the-nation, ambitious rule limiting rail pollution to aggressively cut greenhouse gas emissions in the state’s latest move to establish itself as a global leader in the fight against climate change. The rule will ban locomotive engines more than 23 years old by 2030 and increase