Barren yet beautiful, the moonscapes of Mongolia’s Gobi Desert are an alluring world of steppes, boreal forest, sand and rock ...

This story appears in the October 2011 issue of National Geographic magazine. Not long ago a young Mongolian livestock herder named Ochkhuu Genen loaded what was left of his life into a borrowed ...

Ulanbaatar is also situated in a narrow mountain valley, where inversion layers in the winter trap most of the pollution close to the Earth's surface 2. Particulate matter is the pollutant of greatest ...