
It was not so long ago that the parts of the globe covered permanently with ice and snow, the Arctic, Antarctic, and Greater Himalayas (“the abode of the snows” in Sanskrit), were viewed as distant, frigid climes of little consequence. Only the most intrepid adventurers were drawn to such desolate regions as the Tibetan Plateau, which, when finally surveyed, proved to have the planet’s fourteen highest peaks. Because these mountains encompass the largest nonpolar ice mass in the world—embracing some 46,298 glaciers covering 17 percent of the area’s land and since time immemorial have held water in frozen reserve for the people of Asia—they have come to be known as “The Third Pole.”
There was a time when the immensity of such larger-than-life features of our natural world as oceans, deserts, mountains, and glaciers evoked awe and even fear. These days, however, these once seemingly eternal and invincible aspects of our planet’s architecture are on the defensive. And only belatedly are we beginning to understand how fragile and interconnected they actually are with myriad other elements of planetary life.
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