Air quality

Everyone deserves clean air to breathe and a sustainable future that responds to challenges presented by climate change. To reach these goals, we regulate harmful emissions from vehicles, burning, and industrial activities to help protect air quality and reduce greenhouse gases that increase temperatures around the globe.
Everyone deserves clean air to breathe and a sustainable future that responds to challenges presented by climate change. To reach these goals, we regulate harmful emissions from vehicles, burning, and industrial activities to help protect air quality and reduce greenhouse gases that increase temperatures around the globe.

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Independent studies show new climate change initiatives deliver significant benefits at minimal costs
We're sharing independent economic analyses of the Climate Commitment Act and the Clean Fuel Standard.
Cleaning up: Two Lower Duwamish sites move forward with cleanup
This fall, we have two sites near the Lower Duwamish Waterway that are reaching different stages of the cleanup process, and we’re asking for your input.
Sept. 28 webinar focuses on Skookumchuck Dam assessment
The Skookumchuck Dam is over 50 years old, and the power plant it was built to serve is shutting down. Join us for a discussion on the possible futures for the dam.
Plans for Nooksack adjudication are underway

Plans for water rights adjudication in the Nooksack Basin have raised a lot of questions. We have answers.

Cleaning Up: Getting ready to clean up Duwamish Waterway Park
We invite you to comment on our legal agreement with Seattle Parks and Recreation to clean up Duwamish Waterway Park in Seattle's South Park neighborhood.
Chehalis River Basin Flood Authority launches flood warning data dashboard
To help communities better prepare, the Chehalis River Basin Flood Authority launched its Flood Warning System Gage Alert data dashboard.
Cleaning up: Two sites in Blaine Harbor move forward
We invite public comments on two cleanup sites in Blaine Harbor, May 22 - July 5.
Construction underway at Swift Creek
Whatcom County Public Works is constructing sediment traps to remove asbestos from Swift Creek.
Stream team volunteers making a difference in the Chehalis River Basin
Our Lewis County Stream Team partners are engaged in volunteer projects that help restore aquatic habitat and reduce damage from floods in the Chehalis River Basin.
Meaningful Momentum: CCA updates for June & July 2022
The blog may have skipped a month, but the work never stopped! Come check out our new post covering June and July — and get ready for a double dose of program updates!