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. [Xinhua photo]
![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. [Xinhua photo]](http://images.china.cn/attachement/jpg/site1007/20090323/001109b42f730b3136753e.jpg "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. [Xinhua photo]")