911-308 - Icebergs from the Jacobshavn Glacier (Sermeq Kujalleq), Greenland, Polar Regions

911-309 - Icebergs from the Jacobshavn Glacier (Sermeq Kujalleq), Greenland, Polar Regions

911-213 - An Inuit fishing boat sails through icebergs from the Jacobshavn Glacier (Sermeq Kujalleq), Greenland, Polar Regions

911-266 - Moraine left by the retreating Eqip Sermia glacier at Camp Victor north of Ilulissat on the west coast of Greenland, Polar Regions

911-2354 - Melting glaciers on the north wall of the Matterhorn above Zermatt, Switzerland, Europe

911-2320 - A meltwater lake on a receding glacier above Zermatt, Switzerland, Europe

911-2319 - A meltwater lake on a receding glacier above Zermatt, Switzerland, Europe

911-229 - An arched iceberg collapsing into the sea from the Jacobshavn Glacier (Sermeq Kujalleq), Greenland, Polar Regions

911-201 - Mist over icebergs from the Jacobshavn Glacier (Sermeq Kujalleq), Greenland, Polar Regions

911-175 - Icebergs from the Jacobshavn Glacier (Sermeq Kujalleq), Greenland, Polar Regions

911-1739 - Gale force winds in 2008 blew water from a waterfall in Stake Pass back up the hill coating the surrounding area in thick ice, Lake District, Cumbria, England, United Kingdom, Europe

911-173 - Icebergs from the Jacobshavn Glacier (Sermeq Kujalleq), Greenland, Polar Regions

911-154 - The Russell Glacier draining the Greenland icesheet inland from Kangerlussuaq on Greenlands west coast, Greenland, Polar Regions

911-1481 - Waterfalls cascading down newly exposed rock where the Argentiere glacier has melted back due to global warming, Chamonix, Haute Savoie, France, Europe

911-1480 - Waterfalls cascading down newly exposed rock where the Argentiere glacier has melted back due to global warming, Chamonix, Haute Savoie, France, Europe

911-139 - PHD scientist Ian Bartholomew using dye tracing techniques as part of a study to measure the speed of the Russell Glacier near Kangerlussuaq in Greenland, Polar Regions

911-6 - The edge of the Greenland ice sheet melting in summer above Camp Victor, north of Ilulissat on Greenland's west coast, Greenland, Polar Regions

911-2 - Melt water on the Greenland ice sheet near camp Victor north of Ilulissat, Greenland, Polar Regions

911-52 - The Russell Glacier draining the Greenland icesheet inland from Kangerlussuaq on Greenland's west coast, Greenland, Polar Regions

911-66 - Meltwater from the Russell Glacier that drains the Greenland Ice Sheet 26 km inland from Kangerlussuaq, Greenland, Polar Regions

911-22 - The Jacobshavn glacier (Sermeq Kujalleq), Greenland, Polar Regions

911-1 - Melt water on the Greenland ice sheet which is melting at an unprecedented rate due to human-induced climate change, near Camp Victor north of Ilulissat, Greenland, Polar Regions

738-149 - Colony of king penguins (Aptenodytes patagonicus) at mouth of glacial meltwater stream, St. Andrews Bay, South Georgia, South America

817-217230 - Natural history staff from the Lindblad Expedition ship National Geographic Endeavour doing various things in and around the Antarctic Peninsula in the summer months Lindblad Expeditions pioneered Antarctic travel in 1969 and remains one of the prem

465-2533 - Glacial meltwater tunnel in iceberg showing sculpted water flow patterns, Spitsbergen, Svalbard, Arctic, Norway, Scandinavia, Europe

741-1572 - Beagle Channel, Darwin National Park, Tierra del Fuego, Patagonia, Chile, South America

741-1546 - Pia Glacier, Beagle Channel, Darwin National Park, Tierra del Fuego, Patagonia, Chile, South America

252-8391 - Briksdalbreen Glacier near Olden, Western Fjords, Norway

718-1004 - Lake Gray Glacier melting in a stream of blue water, Torres del Paine National Park, Patagonia, Chile, South America

29-3784 - Canyon cut by meltwater stream, before sinking into moulin beside hikers, on icecap above Disko Bay on the west coast, Greenland, Polar Regions