In recent years, Qamdo Prefecture has been making great efforts to boost a "green economy" by speeding up the fuel material replacement project, and spreading the use of clean energy like biogas and solar energy.

Ciqu, a villager of Zuoba Village, Qamdo County, Qamdo Prefecture of southwest China's Tibet Autonomous Region, picks vegetables in a biogas greenhouse, March 18, 2009, photo from Xinhua.
 
A villager of Zuoba Village, Qamdo County, Qamdo Prefecture of southwest China's Tibet Autonomous Region uses biogas stove, March 18, 2009, photo from Xinhua.