Ice Rivers: A Story of Glaciers, Wilderness, and HumanityA passionate eyewitness account of the mysteries and looming demise of glaciers and what their fate means for our shared future The ice sheets and glaciers that cover one tenth of Earth's land surface are in grave peril. High in the Alps, Andes, and Himalaya, once indomitable glaciers are retreating, even dying. Meanwhile, in Antarctica, thinning glaciers may be unlocking vast quantities of methane stored for millions of years beneath the ice. In Ice