Shane P. White / Terminal moraine, Perito Moreno Glacier, Los Glaciares National Park, Patagonia, Argentina

Ralph Pace / Tourists and calving glacier, South Sawyer Glacier, Alaska

Ingo Arndt / Perito Moreno Glacier, Los Glaciares National Park, Patagonia, Argentina

Ingo Arndt / Beech (Fagus sp) trees in autumn and Perito Moreno Glacier, Los Glaciares National Park, Patagonia, Argentina

Ingo Arndt / Ice calving from terminal moraine, Perito Moreno Glacier, Los Glaciares National Park, Patagonia, Argentina

Ingo Arndt / Perito Moreno Glacier, Los Glaciares National Park, Patagonia, Argentina

Ingo Arndt / Grey Glacier, Torres del Paine National Park, Patagonia, Chile

Heike Odermatt / Coastal glacier, Kross Fjord, Spitsbergen, Svalbard, Norway

Ashley Cooper / Eqip Sermia on the west Greenland coast, showing the lateral moraine on the side of the glacier where it has receeded due to global warming. Greenland, July 2008.

Jami Tarris / Tundra plants and glacier, Scoresby Sound, Greenland

Jami Tarris / Aurora borealis over glacier and coastal mountains, Scoresby Sound, Greenland

Yva Momatiuk & John Eastcott / Terminal moraine, Skaftafellsjokull Glacier, Skaftafell National Park, Iceland