Solar-Powered Air Filtration System Brings Clean Air to Mongolian Nomads
Mongolia is a land of vast steppes, rugged mountains, and nomadic culture. But it is also a land of severe air pollution, especially in the winter months when coal-burning stoves are used to heat the traditional felt tents called gers. According to the World Health Organization, Ulaanbaatar, the capital city, has some of the worst…
Source: trendydigests.com