From the South Sound GREEN website:

South Sound GREEN (Global Rivers Environmental Education Network) is a watershed education program in Thurston County that educates, empowers and connects over 60 classrooms and thousands of students in watershed studies annually. Through South Sound GREEN, participants engage in science and engineering practices related to water quality in South Sound. We work with North Thurston Public Schools, Olympia School District, Tumwater School District, Rainier School District, Griffin School District, St. Martin’s College, The Evergreen State College, private schools and home-schooled students.

South Sound GREEN has nearly 30 years experience providing watershed education for Thurston County teachers and students. South Sound GREEN is cooperatively sponsored by Thurston Conservation DistrictThurston County, the Cities of Olympia, Tumwater, and Lacey, and Trout Unlimited. Additional program funding is provided through grants from various entities. South Sound GREEN also partners with the Nisqually River Education Project (NREP) and the Chehalis Basin Education Consortium (CBEC) in the delivery of annual programs, such as the GREEN Congress, Summer Institute for Teachers, and other student and teacher development opportunities. 

Learn more at https://southsoundgreen.org/