Coal fire research: a Sino-German initiative

One source of CO2 hasn’t gained much attention yet. All around the world, coal fires are burning under the soil: in North America and Australia for centuries, in South Africa, Indonesia, or India for decades. The problem is worst in China, where more than 100 sites are on fire all the time. A Sino-German research project, with assistance from the German Aerospace Center, is working on detection of coal fires.