New Gravity Housing Conference
Submit a session proposal by June 2nd!  More
Volunteer wtih the Frankford Gateway Project
Join us June 10th for a day of outdoor volunteering!  More
2017 Lehigh Valley Sustainability Awards
Happening June 8th at Allentown Brew Works!  More
See Symposium Photos!
We also invite attendees to take our event survey.  More
GSI Precedent Library
Exceeding Intent: A precedent library of exemplary green stormwater infrastructure projects More
Work With Us
Approximately 25% of Americans go to school every day.  We strive to drive the transformation of all schools into sustainable and healthy places to live, learn, and work.
Discover more and get involved