Base reduces pollution caused by traditional working practices. Hou Liqiang reports from Beijing, with Hu Dongmei in Yinchuan and Yuan Hui in Hohhot.
Editor's note: As protection of the planet's flora, fauna and resources becomes increasingly important, China Daily is publishing a series of stories to illustrate the country's commitment to safeguarding the natural world.
Across a vast expanse of desertified land, continuous rows of photovoltaic power panels shine in the sunlight and stretch as far as the eye can see.
It may look no different from the other solar energy stations China has built in desert areas, but the project is part of the Ningdong Energy Chemical Industry Base in the Ningxia Hui autonomous region.