by Janice Kelsey | Apr 30, 2020 | North America, Our Projects
January 2, 2015 By nightfall on Monday, December 29th, 2014, just as the downpour of rain started, we miraculously finished building the Yucatan’s first urban biogas digester. For this digester, we used our Solar CITIES modification to the ARTI design. On the...
by Janice Kelsey | Apr 26, 2020 | Africa, Our Projects
August 14, 2010 As part of the Blackstone Ranch/National Geographic Innovation Challenge Grant he received, T.H. and Sybille Culhane traveled with their two-year-old son, Kilian, to the Okavanga delta to experiment with building biogas systems out of local water tanks...
