by Jonathan Sidharta Leibovic | Sep 17, 2026 | Home Biodigester, North America, Our Blog, Uncategorized, United States
As the northern hemisphere moves into autumn, our biodigester “dragons” naturally begin to hibernate. In summer, warm temperatures produce lots of gas, but cooler fall days mean reduced methanogenic activity. To extend my “growing...
by Jonathan Sidharta Leibovic | Aug 31, 2026 | North America, Our Blog, Our Projects, United States
On August 1st, I set up a Solar CITIES display table at an event called “The Climate Crisis is Not Neutral,” hosted by Indigenous People’s Day Philadelphia. I spoke with many people throughout the day who were interested in our small-scale biodigesters as a way...
by Jonathan Sidharta Leibovic | Jul 25, 2026 | North America, Our Blog, United States
This week, Janice and I attended the conference of the Professional Recyclers’ Organization of Pennsylvania (PROP) in Lancaster, PA. We met some major players in Pennsylvania’s recycling industry, including folks who work in engineering, waste audits,...
by Jonathan Sidharta Leibovic | Jul 17, 2026 | Our Blog, Uncategorized
At our Solar C³ITIES summer 2026 hybrid board meeting, co-founder and outgoing executive director Janice Kelsey “passes the torch” to incoming executive director Jonathan Sidharta Leibovic. On Sunday, July 12, we held a quarterly meeting of the...
by Jonathan Sidharta Leibovic | Jul 10, 2026 | Home Biodigester, North America, Our Blog, Our Projects, United States
In preparation for last month’s digester installation at the Mujeres en Movimiento community garden in Queens, I collected 8 gallons of digestate from my home biodigester. This digestate is full of the methanogenic microbes that produce biogas, so it can...
by Jonathan Sidharta Leibovic | Jul 3, 2026 | North America, Our Blog, Our Projects, United States
On Saturday, June 27, I traveled from Philadelphia to New York City to install a 55-gallon barrel biodigester at a community garden in Queens. We were invited by María Paz Ordoñez, an activist whose passion is teaching immigrant communities about sustainability...
