“Cosmetics that retailers and salons in Washington received in 2025 should already meet the new restrictions in the law, but older stock might not,” Franjevic said. “The close of the sell-through ...

On Dec. 16, 2025, the Department of Ecology adopted a new rule, Chapter 173-905 WAC, Battery Stewardship Program. This rule guides implementation of a new law that requires battery producers to fund a ...

Clean air is vital for everyone. We manage smoke, vehicle pollution, industrial emissions, and other pollutants so communities have healthy air to breathe. We do this through permits, regulations, and ...

Due in part to the May 23, 2013, collapse of the Skagit River Bridge, the Washington State Department of Transportation (WSDOT) and local governments developed a robust schedule to inspect and repair ...

We're updating requirements for protecting water quality when washing and maintaining bridges and ferry terminals.

Lewis’ Moon Snail with its dark brown, hard operculum. Courtesy of Linda Schroeder—PNW Shell Club. With its easily recognizable shell (the largest found on Puget Sound beaches), we are certainly over ...

State Route 112 faces numerous climate-related threats. Photo courtesy Washington State Department of Transportation. Washington’s coastlines might be considered the canary in the coal mine for the ...

Wildfire smoke from the 2024 Pioneer Fire, near Lake Chelan Things are heating up in the PNW, and with the excitement of warm weather comes the threat of wildfires. Cities across the Midwest and ...

We plan to hold public meetings to provide information about the rulemaking and seek your input. We'll update this page with meeting specifics. To get updates about these meetings and this rulemaking, ...

Ecology is starting the rulemaking process to amend Chapters 173-18, -20, -22, -26, and -27 under the Shoreline Management Act. Add requirements for local governments to address the impact of sea ...

There have been recent news stories about a supposed slump in the transition to zero-emission transportation—that growth in electric vehicle (EV) sales has leveled off and manufacturers are scaling ...

Geothermal energy comes from the natural heat inside the earth and can be used to generate electricity. Mountains, such as Mt. St. Helens, have been identified as having geothermal resource potential.