Village generates electricity from cow faeces

Nestled in a deep pocket of forest that lies off Thailand's electrical grid, villagers in Pa Deng have become early adopters and evangelists for an unusual alternative energy source: poop.

"At first we didn't believe it," he told AFP from outside his wooden home, which is surrounded by fruit trees and under the shadow of a mountain range that lines Thailand's western border with Myanmar.

Groups like World Wildlife Fund say it could be setting its sights much higher, with a recent report laying out a future that would have the country operating on 100 percent renewables by 2050.