Extreme Environments: Mountain Video
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Extreme Environments: Mountain (2008)

Episode 23
Available worldwide

Roughly one quarter of the earth’s land surface is covered by mountains. More than half of the world’s population depends on the rivers that are fed by the ice and snow that form in mountain ranges. Some mountains are formed by volcanic action, but mountain ranges result from the compression of the earth’s tectonic plates. The Himalayas, which lie between India and Tibet, are the highest mountain system – and the “youngest.”

Evan Clark


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