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  Environment

  Sea-Tac Airport says major expansion will do little harm. Neighbors don’t buy it

  Sea-Tac Airport is planning a major expansion, and some neighbors are crying foul.

  • John Ryan
• 

  Environment

  Washington carbon auctions resume after surviving election challenge

  Washington state held its first carbon auction since voters upheld the state’s flagship climate law in November.

  • John Ryan
• 

  Environment

  Climate pollution surges in Washington state after pandemic lull

  After sharply dropping during the Covid-19 pandemic, the state’s carbon dioxide emissions have bounced back.

  • John Ryan
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  Environment

  Sister seas on opposite shores face same foe: polluted runoff

  “Why do we think it takes 40 or 50 years to fix an estuary, a series of rivers, or even a bay? If you stop putting shit in these rivers, they get better fast."

  • John Ryan
• 

  Crime

  Seattle says 'Belltown Hellcat' driver ignored order to quiet ear-splitting car

  Seattle is suing the so-called “Belltown Hellcat” driver for allegedly continuing to rev his souped-up racecar’s engine at high volume more than a month after the city ordered him to stop.

  • Ann Dornfeld
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  Environment

  A professor worried no one would read an algae study. So she had it put to music

  Professors and students at the University of South Florida mapped pitch, rhythm and duration to data about algae blooms and depletion of coral reefs to create an original composition.

  • Neda Ulaby
• 

  Environment

  Pollution is problematic for pollinators — and perhaps your produce

  Air pollution is making it hard for some Washington state flowers to get pollinated, according to a new study in the journal Science.

  • John Ryan
• 

  Technology

  Can AI solve Seattle's traffic woes? Google thinks so

  The city of Seattle is the first in the U-S to work with Google on a new traffic light system. The effort incorporates

  • Natalie Akane Newcomb
• 

  Environment

  Rush-hour traffic in Seattle increases blood pressure, but not for the reason you think

  It will come as no surprise to anyone who braves I-5 on a weekday at either 8 a.m. or 5 p.m. (or practically any time in between) that your blood pressure tends to increase during sudden slowdowns and bumper-to-bumper backups. But a new study from University of Washington researchers suggests that it’s not just the Tesla changing lanes without using a directional that is causing your heart to pound. Ultrafine particles circulating on and near congested freeways — a toxic mixture of exhaust from tailpipes, brake and tire wear, and road dust — could increase blood pressure and lead to other health problems.

  • Stephen Howie
  • John O'Brien
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  Environment

  New culverts in Washington state cost $20 million each. The DOT needs to replace 400 of them by 2030

  The Washington State Department of Transportation has a lot of very expensive projects it has to manage in order to keep people moving around, and legislators recently got some pretty massive sticker shock for a different project — one that’s aimed at improving the way salmon move around.

  • Libby Denkmann
  • Noel Gasca

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