Ice climber at Mer de Glace glacier, Chamonix, Haute-Savoie, French Alps, France, Europe

Ice climber at Mer de Glace glacier, Chamonix, Haute-Savoie, French Alps, France, Europe

Negribreen (Negri Glacier), Olav V Land, Spitsbergen, Svalbard Archipelago, Norway, Scandinavia, Europe

Long straight road to Perito Moreno Glaciar, El Calafate, Patagonia, Argentina, South America

Grizzly bear (Ursus arctos horribilis) eating berries, Glacier National Park, Montana, United States of America, North America

People admiring the majestic Aletsch Glacier from terrace at Eggishorn viewpoint, Bernese Alps, canton of Valais, Switzerland, Europe

Grizzly bear (Ursus arctos horribilis), Glacier National Park, Montana, United States of America, North America

Dropping down from Penzi La, looking at the glacial moraine that feeds into the Stod River, one of the tributaries of the Zanskar River, Ladakh, India, Himalayas, Asia

Glacier ice on black sand beach with waves washing up the beach, near Jokulsarlon, South Iceland, Iceland, Polar Regions

Glacier, Endicott Arm, Holkham Bay, Juneau, Alaska, United States of America, North America

Tourists walking in the ice grotto inside Rhone Glacier, Gletsch, Canton of Valais, Switzerland, Europe

Glacier at sunrise on summit of Mount Kibo, 5895m, Killimanjaro National Park, Tanzania, Africa

Woman standing on the ice of Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Cerro Torre and Laguna Torre, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Harbour seal (Phoca vitulina), South Sawyer Glacier, Tracy Arm-Ford's Terror Wilderness area, Southeast Alaska, United States of America, North America

Half Dome and Yosemite Valley from Glacier Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Glacier ice on black sand beach with waves washing up the beach on a stormy winter day, near Jokulsarlon, South Iceland, Polar Regions

Drangajokull Glacier, Westfjords, Iceland, Polar Regions

A kayaker paddling in front of Lamplugh Glacier, Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Alaska, United States of America, North America

The Illercillewaet River valley and the Sir Donald Range of the Selkirk Mountains, Glacier National Park, British Columbia (B.C.), Canada, North America

Tourist cabins at Point Victor, Eqip Glacier, Disko Bay, west coast, Greenland

Okarito lagoon, large unmodified wetland along the road between Fox Glacier and Greymouth, South Island, New Zealand, Pacific

Tourists hiking on the Franz-Joseph Glacier, Westland Tai Poutini National Park, Southern Alps, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Mount Cook National Park, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Tourist hiking on Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Face of Glaciar Grey (Grey Glacier) on Lago de Grey, Torres del Paine National Park, Patagonia, Chile, South America

Perito Moreno Glacier, Parque Nacional de los Glaciares, UNESCO World Heritage Site, Patagonia, Argentina, South America

Harbour seal (Phoca vitulina), South Sawyer Glacier, Tracy Arm-Ford's Terror Wilderness area, Southeast Alaska, United States of America, North America

Old barn dating from approx 1890s, west of Glacier National Park, Montana, United States of America, North America

Sunset over Jokulsarlon Glacier Lagoon, Iceland, Polar Regions

Mont Blanc, 4809m, and the Glaciers, Chamonix, Haute Savoie, French Alps, France, Europe

Tourist boat and iceberg near Upsala Glacier on Lago Argentino, El Calafate, Parque Nacional Los Glaciares, UNESCO World Heritage Site, Patagonia, Argentina, South America

Vatnajokull glacier near Skalafsll, Iceland, Polar Regions

Blocks of ice float in one of the affluents of Lago Argentino, next to Perito Moreno Glacier, and wash ashore by the rocks, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Hiker on path Sentiero Glaciologico with Fellaria Glacier in the background, Malenco Valley, Valtellina, Lombardy, Italy, Europe

Boat amongst calved ice from the Breidamerkurjokull glacier in Jokulsarlon glacial lagoon, Iceland, Polar Regions

Drangajokull Glacier, Westfjords, Iceland, Polar Regions

Connaught Creek winding through a dark misty forest, Glacier National Park of Canada, British Columbia, Canada, North America

Mer de Glace Glacier Ice Cave, Mont Blanc Massif, Chamonix, Haute-Savoie, French Alps, France, Europe

The Fairweather Range reflected in calm water, Fern Harbour, Glacier Bay National Park, Alaska, United States of America

Adult harbour seals, Phoca vitulina, hauled out on ice at South Sawyer Glacier, Tracy Arm, Alaska, United States of America

Evening light at Laguna Torre, Los Glaciares National Park, UNESCO World Heritage Site, Santa Cruz Province, Patagonia, Argentina, South America

Glacier backed by snowy mountains, near Ny Alesund, Spitsbergen (Svalbard), Arctic, Norway, Scandinavia, Europe

Okarito lagoon, large unmodified wetland along the road between Fox Glacier and Greymouth, South Island, New Zealand, Pacific

Jokulsarlon glacial lagoon, Breidamerkurjokull (Vatnajokull) glacier in the distance, Iceland, Polar Regions

Volcanic beach in front of the glacier ice of Deception Island, South Shetland Islands, Antarctica, Polar Regions

Grizzly bear (Ursus arctos horribilis), Glacier National Park, Montana, United States of America, North America

The golden sunrise reflected in a pool of the clear sea where the snow has melted, Haukland, Lofoten Islands, Arctic, Norway, Scandinavia, Europe

Ice cave beneath a glacier, Iceland, Polar Regions

Harvard Glacier in College Fjord, Southeast Alaska, United States of America, North America

Cruise Ship, Hubbard Glacier, Disenchantment Bay, Alaska, United States of America, North America

Glacier and Strait of Magellan, Magallanes, Chile, South America

Aletsch Glacier and the Jungfrau, seen from Eggishorn, above Fiesch, Swiss Alps, Switzerland, Europe

Big horn sheep, Glacier National Park, Montana, United States of America, North America

Mount Everest, 8850m, and Nuptse, Khumbu glacier, Solu Khumbu Everest Region, Sagarmatha National Park, UNESCO World Heritage Site, Nepal, Himalayas, Asia

Glacial ice calved from the LeConte Glacier, Outside Petersburg, Southeast Alaska, United States of America, North America

Glacier Bay, Port Lockroy, Antarctic Peninsula, Antarctica, Polar Regions

Whooper swans (Cygnus cygnus) family, Hoffelsjokull glacier in background, north of Hofn, East Fjords region (Austurland), Iceland, Polar Regions

Grizzly bear (Ursus arctos horribilis) sow and yearling cub, Glacier National Park, Montana, United States of America, North America

Perito Moreno Glaciar, Los Glaciares National Park, UNESCO World Heritage Site, near El Calafate, Patagonia, Argentina, South America

Drangajokull Glacier, the most northerly glacier in Iceland, Westfjords, Iceland, Polar Regions

Adult black-legged kittiwakes (Rissa tridactyla), South Marble Islands, Glacier Bay National Park, Alaska, United States of America, North America

Young male sat admiring the view of Jokulsarlon Glacier Lagoon, South East Iceland, Iceland, Polar Regions

Glacier in College Fjord, Southeast Alaska, United States of America, North America

Harvard Glacier in College Fjord, Southeast Alaska, United States of America, North America

Glacier walk tour, Fox Glacier, West Coast, South Island, New Zealand, South Pacific

Greyrocky beach in Okarito along the road between Fox Glacier and Greymouth, South Island, New Zealand, Pacific

Aerial of a waterfall flowing into the icefield of Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Man standing in an ice cave, Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Iceberg washed ashore on Breidamerkursandur black sands, near Jokulsarlon glacial lagoon, East Iceland, Polar Regions

Icebergs washed ashore on Breidamerkursandur black sands, near Jokulsarlon glacial lagoon, Oraefajokull (Vatnajokull) glacier in the distance, East Iceland, Iceland, Polar Regions

Brewsters Snocoach driving onto the Columbia Icefield, Athabasca Glacier in Jasper National Park, UNESCO World Heritage Site, Alberta Canadian Rockies, Canada, North America

Half Dome from Glacier Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Holmiabukta Glacier in arctic summer sun, Northern Spitzbergen, Svalbard, Norway, Scandinavia, Europe

Sunset above Yosemite Valley and Half Dome, viewed from Glacier Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Lakes and mountains in Los Glacieres National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

View across Tasman Lake to the Tasman Glacier, Aoraki (Mount Cook) National Park, UNESCO World Heritage Site, Mackenzie district, Canterbury, South Island, New Zealand, Pacific

Detail of Perito Moreno Glacier in the Parque Nacional de los Glaciares (Los Glaciares National Park), UNESCO World Heritage Site, Patagonia, Argentina, South America

Detail of ice calved from the South Sawyer Glacier, Tracy Arm-Fords Terror Wilderness Area, Alaska, United States of America

Red wooden boat crossing the ice in front of the Eqi Glacier, near Ilulissat, Greenland, Polar Regions

Mont Blanc and Glacier, the Alps, Haute-Savoie, France

Skaftafell glacier in the south of the island, Skaftafell National Park, Iceland

Tour guide hiking on the ice of Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Perito Moreno Glaciar, Los Glaciares National Park, UNESCO World Heritage Site, near El Calafate, Patagonia, Argentina

Icebergs in Disko Bay, UNESCO World Heritage Site, Ilulissat (Jakobshavn), Greenland, Denmark, Polar Regions

Whooper swans (Cygnus cygnus) family, Hoffelsjokull glacier in background, north of Hofn, East Fjords region (Austurland), Iceland, Polar Regions

Fallen ice and Perito Moreno Glaciar, Los Glaciares National Park, UNESCO World Heritage Site, near El Calafate, Patagonia, Argentina, South America

Grizzly bear (Ursus arctos horribilis) in the rain, Glacier National Park, Montana, United States of America, North America

Dusky grouse (blue grouse) (Dendragapus obscurus) hen, Glacier National Park, Montana, United States of America, North America

Adult harbour seal, Phoca vitulina, hauled out on ice at South Sawyer Glacier, Tracy Arm, Alaska, United States of America

Adult harbour seals, Phoca vitulina, hauled out on ice at South Sawyer Glacier, Tracy Arm, Alaska, United States of America

Hooker Glacier Lake, Mount Cook (Aoraki), Hooker Valley Trail, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Bort, the Schreckhorn and Upper Grindelwald Glacier framed by hut, Grindelwald, Bernese Oberland, Swiss Alps, Switzerland, Europe

Tour ship heading to the Ramfjell Glacier, Ymerbukta, Isfjorden, Spitsbergen, Svalbard, Norway, Scandinavia, Europe

Ice climber, Fox Glacier, West Coast, South Island, New Zealand, Pacific

Tourist hiking on Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Woman standing in an Ice cave in the Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

The huge icefield of the Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Tourist hiking on Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific