Portland · Volunteering
SOLVE
SOLVE
A nonprofit organization dedicated to keeping Portland's outdoor spaces and waterways free of litter and waste through cleanup and restoration projects.
Location & Schedule
Frequency
Yearly (seasonal projects)
The community
Members
20,000+
Language
English
Joining
Participation fee
Free
Membership
Sign up for projects on the calendar or use DIY cleanup kits
Founded
1997
Topics
History
Founded in 1997, SOLVE has been organizing annual Waterway Cleanup Series events, removing over 31,000 pounds of litter from rivers, streams, and creeks across Oregon between May and October 2025.
How to join
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Changes (1)
2026-10-07
05:48
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