ECOSS delivers environmental solutions that meet the needs of businesses, people and nature across Washington.

Our Vision

ECOSS envisions thriving communities that are environmentally sustainable and equitable.

Who We Are

Since the 1990s, ECOSS has been a leading urban environmental nonprofit in Seattle. Formerly known as the Environmental Coalition of South Seattle, ECOSS specializes in bridging knowledge and cultural gaps, serving the interests of residents, industry and government.

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.

How We Work

ECOSS delivers environmental education, resources and technical assistance in the areas of stormwater permit compliance, recycling and food waste, electrical vehicles and solar energy, Brownfields, Green Stormwater Infrastructure and outreach to multicultural communities and businesses.