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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The trash-climate connection: what you need to know
We are taking steps to protect our climate by reducing methane emissions from landfills. But what is methane, and how is it connected to our trash and our climate?
Are Washington's climate policies working?
A review of Washington's climate policies, what they are, and their status.
We've seen fire, and we've seen rain...
Goodbye summer smoke — hello cozy winter

A review of the 2022 summer wildfire smoke season and everything you need to know for winter wood stove smoke season.
Meaningful Momentum: CCA Updates for September and October 2022
Find out what's going on in the Air Quality Program as we work to build and implement Washington's new cap-and-invest program!
Ecology celebrates Zero Emissions Day!
Today, Sept. 21, 2022, is the last day of summer. What better way to mark the occasion than to celebrate something else this date symbolizes — Zero Emissions Day! 
Meaningful Momentum: CCA Updates for August 2022
The January 2023 launch of the cap-and-invest program is just a few months away! Come find out what we've been up to as we gear up for this historic event.
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!
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.
Let’s get #SmokeReadyTogether June 13-17
Get #SmokeReadyTogether this year and help prevent wildfires with these tips.
Vamos a #PrepararnosparaelHumoJuntos Junio 13-17
Prepárese para #SmokeReadyTogether este año y ayude a prevenir incendios forestales con estos consejos.

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