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, electrical vehicles, solar energy and recycling.

Sign up for ECOSS E-news

  • This field is for validation purposes and should be left unchanged.

Latest News

Congratulations Green Globe Awardees!

April 24, 2019 No Comments

King County awarded 13 Green Globe Awards in recognition of local environmental leadership. ECOSS was a key partner of two of the awardees.

Read More

Celebrating Earth Day by giving to nature

April 23, 2019 No Comments

ECOSS celebrated Earth Day with habitat restoration at the Duwamish Hill Preserve! Volunteers added mulch to recently-planted native shrubs.

Read More


  • Environmental Equity
  • Resource Conservation
  • Stormwater Solutions


Learn more about our work


Green Globe Award 2015

Thank you to our 2019 sponsors!