ECOSS educates and empowers businesses and diverse communities to implement environmentally sustainable practices.

Everyone can make a difference –ECOSS leads industry, small businesses, communities and government to practical and sustainable environmental solutions.

We deliver strategies and results in stormwater compliance, pollution prevention, energy efficiency and recycling.

Our international staff speak more than a dozen languages and work with Asian, Southeast Asian, Pacific Islander, African and Latino communities. More than two decades of experience and cultural depth make ECOSS a leader in multicultural environmental outreach and engagement.



  • Environmental Equity
  • Resource Conservation
  • Stormwater Solutions


Learn more about our work

Environmental Equity—One Rain Garden at a Time

April 26, 2017 No Comments

ECOSS launched a contractor training program to bring the RainWise program to a wider and more diverse audience, build local jobs and reduce pollution in Puget Sound. Meet Hop Tran, a contractor recruited by ECOSS to become RainWise-certified.

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ECOSS Staff Wins Top Prize!

April 7, 2017 No Comments

Sophorn Sim was honored with Sustainable Seattle’s “Sustainability Hero Award” for her work with immigrant and refugee communities. As an ECOSS Community Outreach Associate, Sophorn builds environmental equity by meeting underserved communities where they are and connecting them to environmental resources and education.

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