This is surreal and inspiring at the same time - biogas facilities that convert human waste into combustible methane gas and odour-less manure are being used in over-crowded Rwandan prisons currently holding prisoners on genocide charges.

A snippet from Wired News: Human Feces Powers Rwandan Prison:

“It’s turning a negative social situation in terms of the Rwandan genocide into something that can benefit local people in the local area,” said Corrina Cordon, spokeswoman for the Ashden Awards.

The Ashden Trust is a British charity organization that promotes green technologies.