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.

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Latest News

#ThrowbackThursday: PINKAPALOOZA 2017

August 15, 2019 No Comments

PINKAPALOOZA returns on September 14! Check out photos from the last event to preview the upcoming celebration.

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First Trailhead Direct trip of the season in the books!

August 9, 2019 No Comments

Access to green spaces promotes individual health and community connections. ECOSS is dedicated to ensuring outdoors access extends to communities of color as well. Read about ECOSS’ recent Trailhead Direct hike!

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  • Environmental Equity
  • Resource Conservation
  • Stormwater Solutions


Learn more about our work


Green Globe Award 2015

Thank you to our 2019 lead sponsors:

  • The Boeing Company
  • Cascadia Law Group
  • Aspect Consulting
  • Pacific Groundwater Group
  • Nucor Steel Seattle
  • BEA Environmental
  • Restorical Research
  • Port of Seattle
  • Anchor QEA
  • Floyd Snider
  • LafargeHolcim
  • Parametrix
  • Mr. Pressure Wash
  • Windward Environmental