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Climate Commitment Act

The Climate Commitment Act (or CCA) caps and reduces greenhouse gas emissions from the state’s largest emitting sources and industries, allowing businesses to find the most efficient path to lower carbon emissions.
The Climate Commitment Act (or CCA) caps and reduces greenhouse gas emissions from the state’s largest emitting sources and industries, allowing businesses to find the most efficient path to lower carbon emissions.

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Rulemaking to protect air quality

A rulemaking is underway at Ecology to reduce air pollution in vulnerable communities.

What We Do
Hop aboard Ecology's latest electric bus grant!

Ecology's latest grant to support electric school bus purchases can also be used to renew and update existing electric bus fleets.

What We Do
Findings from the 2025 report on overburdened communities highly impacted by air pollution

Lower wildfire activity and changing traffic patterns stemming from the COVID-19 pandemic reduced air pollution in sensitive areas, but communities still face air quality inequities.

Science
Pedaling toward cleaner air

Ecology's air quality in overburdened communities grant program is reducing air pollution through sustainable transportation.

What We Do
Cleaner fuels take to the skies

Cleaner cars. Cleaner fuels. Cleaner power. Cleaner planes. Little by little, Washington is moving the needle toward a clean energy economy.

What We Do
Paving the path toward clean energy

The state Clean Energy Council took a thoughtful, informed look at potential actions and policies to move clean energy forward through a collaborative, government-wide lens. 

Science
An early look at geothermal energy in Washington

We are holding two meetings to provide information and get feedback regarding concerns and opportunities about developing geothermal energy.

What You Can Do
Evaluating impacts of sustainable aviation fuel

We are starting a new statewide study to evaluate potential environmental impacts surrounding the production and distribution of sustainable aviation fuel. 

What You Can Do
Community solutions for improving air quality

Scientifically-supported community projects receive Climate Commitment Act funds from Ecology to improve air quality in overburdened communities.

What We Do
Groundbreaking program garners national recognition

On July 10, we received national recognition by national U.S. Water Alliance for our innovative Floodplains by Design program that's reducing flood risks and restoring salmon habitat in Washington.

What We Do

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