Aviation & Air Quality: The Ninth Circuit ruled Clean Air Act Section 233 blocks state tort claims over Sea-Tac aircraft emissions, a major win for airlines and the Port of Seattle facing community pollution lawsuits. Hydrogen & Clean Mobility: The Hydrogen Fuel Cell Partnership formalized a Pacific Northwest push by signing an exchange membership deal with the Renewable Hydrogen Alliance, pointing to Washington’s Clean Fuel Standard and heavy-duty truck pollution as the scale of the challenge. Rail & Transportation: Amtrak Cascades’ new Airo trains are set to enter service, adding more capacity plus accessibility upgrades and onboard amenities for the Eugene–Vancouver, B.C. corridor. Wildlife & Water Quality: Benton County and partners are using Ecology-funded “Weedoos” to clear stargrass on the lower Yakima River, aiming to boost salmon spawning in a river choked by invasive growth. State Policy & Forests: Washington’s public lands commissioner scaled back a legacy-forest conservation promise by 22,000 acres and is asking lawmakers for more authority and funding to protect what remains. Carbon Markets: Washington moved closer to a massive carbon-market linkage deal, including steps to connect with California and Québec. Agriculture & Climate: A USDA dairy board order would end checkoff-funded ESG-style programs tied to climate and social initiatives, refocusing spending on dairy promotion. Local Governance & Equity: A federal appeals court revived a Seattle worker’s hostile-workplace claim tied to the city’s Race and Social Justice Initiative, sending it toward a jury trial.