![](https://solarcities.solutions/wp-content/uploads/2020/04/energychallenge6-300x225.jpg)
Celebrating the finished biodigester at Kakenya’s Dream School
June 14, 2011
As part of the Blackstone Ranch/National Geographic Innovation Challenge Grant, Culhane returned to Kenya and built digesters at the school of fellow Nat Geo Emerging Explorer Kakenya Ntaiya.