April 22 from 10 a.m. to 3 p.m.

UW Tacoma Campus and Tollefson Plaza
2023 Activities

Vendor Registration


Registration is now closed.

Make a Donation

I Love Puget Sound Dog


Become a Sponsor


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Countdown to the Expo!








For 15 years, the South Sound Sustainability Expo has been the region’s largest community celebration of all things sustainability. This free, family-friendly event features activities, presentations, performances, and art exhibits.


Thank You, 2023 Sponsors:

We'd love to hear from you!

2 + 9 =

Contact Expo Organizers:


City of Tacoma – Office of Environmental Policy and Sustainability


(253) 591-5172