No brakes on this train! This time we're helping Jonathan build a Backyard Biodigester in Philadelphia!   Click here for ticketing and event information (be sure to click “More Details” under the photo on the right side of the page for event details) We hope to see you there!

In our third workshop of the summer, we'll be helping single mom and Engineering Technician, Aryianna McGee, build a biodigester in her home garden!   Click here for ticketing and event information (be sure to click “More Details” under the photo on the right side of the page for event details) We hope to see […]