Many locals have never seen the dense Olympia area exist without Capitol Lake at its center; they don’t know that the mouth ...

Lower wildfire activity and changing traffic patterns stemming from the COVID-19 pandemic reduced air pollution in sensitive ...

Grant recipients of Ecology's landfill methane emissions reduction grant program are having success reducing methane ...

We invite you to comment on two cleanup sites in the Lower Duwamish Waterway as well as a consent decree settling who will ...

The drought declared in April and expanded in June continues with no end in sight. A group of state and federal water supply experts — the Water Supply Availability Committee — says there’s not enough ...

The Washington Department of Ecology issued penalties totaling over $1.1 million to Amazon Inc. and Walmart Inc. for illegally selling climate-polluting cooling and refrigeration products. These ...

As the state’s lead agency managing litter programs, we operate youth and adult litter pickup crews and provide funding for litter pickup and prevention to state and local governments. We also oversee ...

To support the state’s transition to clean energy, the 2024 Washington Legislature passed Senate Bill 6039 directing Ecology to lead a collaborative process to identify risks and opportunities ...

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

This rulemaking will update both chapters to consider recommendations from the 2025 Best Achievable Protection (BAP) workgroups. To learn more about this rulemaking and recommendations from the 2025 ...

Last week, parts of Eastern Washington experienced a dust storm. While the impact on air quality was marginal, visibility on I-90 became dangerously poor Wednesday evening. These storms form rapidly ...