Milan Radisics / Aerial shot of the Austurfljot glacial river, southern Iceland, August 2018.

Milan Radisics / Aerial shot of the Austurfljot glacial river, southern Iceland, August 2018.

Milan Radisics / Aerial shot of the Hafursa glacial river running over black sand, southern Iceland, August 2018.

Milan Radisics / Aerial shot of the estuary of the Holmsa and Kudafljot glacial rivers, Grafarkirkja, Iceland, August 2018.

Milan Radisics / Aerial shot of Thjorsa glacial river, southern Iceland, August 2018.

Milan Radisics / Aerial shot of Thjorsa glacial river, southern Iceland, August 2018.

Milan Radisics / Aerial shot of Kudafljot glacial river flowing over black volcanic soil, Iceland, August 2018.

Milan Radisics / Aerial shot of Kudafljot glacial river flowing over black volcanic soil, Iceland, August 2018.

Ingo Arndt / Coastal edge of Perito Moreno glacier, Patagonia, Argentina 2002

Pal Hermansen / Barnacle geese (Branta leucopsis) with goslings, swimming past icebergs, Jokulsarlon, Iceland, June.

Sven Zacek / View through glacier ice towards snow-covered mountains in Kongsfjorden fjord in Svalbard, Norway. June 2015.

Pal Hermansen / Barnacle geese (Branta leucopsis) with goslings, Jokulsarlon ice field, Iceland, June.

Ole Jorgen Liodden / Ice cliff of the Austfonna ice cap with melt water and ice crashing down to the sea, Svalbard, Norway, July 2012.

Erlend Haarberg / Meltwater from Engenbreen glacier, Meloy, Nordland, Norway, August.

Michel Roggo / Iceberg in the sea outside the Kangia Ilulissat Icefjord. Iceberg from the Sermeg Kujalleg Glacier, UNESCO World Heritage Site, Kalaallit Nunaat, Greenland, August 2014. Photographed for The Freshwate...

Floris van Breugel / Ice cave melting in Mendenhall Glacier, Juneau, Alaska, USA, August 2014.

Floris van Breugel / Ice cave with melt water running through, Mendenhall Glacier, Juneau, Alaska, USA, August 2014.

Floris van Breugel / Flawless crystalline ice, produced through millennia of glacial pressure, floating on Lago Grey, Torres del Paine National Park, Chile, June 2014.

Terry Whittaker / Timelapse of icebergs moving in Jokulsarlon glacial lagoon at twilight, formed from meltwater from the retreating Vatnajokull glacier, Iceland, July 2012.

Terry Whittaker / Timelapse of icebergs moving in Jokulsarlon glacial lagoon at twilight, formed from meltwater from the retreating Vatnajokull glacier, Iceland, July 2012.

Terry Whittaker / Timelapse of icebergs moving in Jokulsarlon glacial lagoon formed from meltwater from the retreating Vatnajokull glacier, Iceland, July 2012.

Andy Rouse,Andy Rouse / Waterfall from ice cliffs and polar ice cap. Austfonna Polar Ice Cap, Svalbard, Arctic. August 2011. Highly commended in the GDT competition 2013

Wild Wonders of Europe / O. Haarberg / Common eider (Somateria mollissima) pair, Jkulsrln glacial lagoon, Iceland, June 2008

Erlend Haarberg,Erlend Haarberg / Aerial view down river to the east of the Hofsjakull glacier and west of the Sprengisandur upland desert. Innumerable rivulets flow from beneath the glacier in this area of tundra which abounds in pon...

Gavin Hellier / Wenkchemna Peaks or Ten Peaks rising over Moraine lake in the snow, near Lake Louise, Banff National Park, Alberta, Canada, 2007

Gavin Hellier / Peyto Lake, coloured by glacial silt, Banff-Jasper National Parks, Alberta, Canada, 2007

Steven Kazlowski / Kayaker in front of Bear Glacier, Kenai Fjords National Park, Alaska, USA. No release available.

Peter Cairns / Reflections in glacial fjord, Kongsfjorden, Svalbard, Norway

Mark Taylor / Perito Moreno Glacier, panoramic view, Argentina, January 2010

Graham Eaton / Underwater view of a mountain lake, Llyn Idwal, Snowdonia NP, Gwynedd, Wales, UK, December

Graham Eaton / Split level shot of Llyn Idwal and Cwm Idwal, showing freshwater habitat with Green lacustrine algae (Chlorophyceae sp.), Snowdonia NP, Gwynedd, Wales, UK, August

Oriol Alamany / Grey glacier over Grey lake, Torres del Paine National Park, Patagonia, Chile

Matthias Breiter / Meltwater lakes on Hubbard Glacier, Wrangell-St. Elias National Park, Alaska

Graham Eaton / Split level image of Cwm Idwal and Llyn Idwal showing lake and mountain habitat and lacustrine algae, Snowdonia NP, North Wales, UK, January 2010. Winner of the Living Landscape: Connectivity categor...

Brent Stephenson / Steep rock walls of the Tracy Arm, carved out by glacial action over millions of years. Alaska, United States, July 2010.

Orsolya Haarberg / Glacial ice floating in the Jokulsarlon glacier lagoon. Iceland, September 2010

Guy Edwardes / Fjallsarlon glacial lake, edge of Vatnajokull glacier with reflections, Vatnajokull NP, Iceland, June 2009

Pete Oxford / Blue iceberg at San Raphael Glacier, Chilean Fjords, Chile, South America

Yva Momatiuk & John Eastcott / American Beaver (Castor canadensis) young animal munching on alder branches in glacial kettle pond, Denali National Park and Preserve, Alaska

Yva Momatiuk & John Eastcott / Alaska Moose (Alces alces gigas) bull with water dripping from antlers after feeding in glacial kettle pond, Denali National Park and Preserve, Alaska

Jim Brandenburg / Mount Robson and Berg Lake, Mount Robson Provincial Park, near Jasper National Park, Canadian Rocky Mountains, British Columbia, Canada

Jim Brandenburg / Alluvial fan at mouth of glacial stream, Canadian Rocky Mountains, Alberta, Canada

Tui De Roy / Perito Moreno Glacier actively advancing into Lake Argentina, Los Glaciares National Park, Argentina

Robert Fulton / Aerial view of melting glacier in mountains, Peru

Robert Fulton / Aerial view of glacier near Lago Argentino, Argentina

Gertrud & Helmut Denzau / Permafrost on Tibetan Plateau, Ladakh, NE India

Pete Oxford / Perito Moreno glacier, Los Glaciares National Park, Argentina, South America

David Noton / Panoramic view of Milford Sound at dawn, South Island, New Zealand

John Shaw / Dwarf willow (Salix herbacea) growing beside a small glacial stream with icebergs in Hare Fjord, Scoresby Sund, Greenland, August.

Milan Radisics / Aerial tracking shot of the Hverfisfljot glacial river flowing over a plain of black sand, Iceland, August 2018.

Milan Radisics / Aerial tracking shot of a glacial river flowing through a plain of black sand, Iceland, August 2018.

Milan Radisics / Aerial tracking shot of a glacial river flowing through a plain of black sand, Iceland, August 2018.

Milan Radisics / Aerial shot of mineral rich glacial river tributaries, near Hafur, southern Iceland, August 2018.

Ross Hoddinott / Iceberg at Jokulsarlon - a glacial lagoon, bordering Vatnajokull National Park, southeastern Iceland. December 2017.

Will Watson / The punchbowl, a man-made lake in a glacial cwm surrounded by ancient woodland owned by the Woodland Trust. The Blorenge, Brecon Beacons National Park, Monmouthshire, Wales, September 2018.

Will Watson / Llyn y Fan Fawr; a natural glacial lake and Fan Brycheinog, the Black Mountain / Mynydd Du, Brecon Beacons National Park, Breconshire, Wales. August 2018.

Will Watson / Llyn Cwm Llwch glacial lake and Corn Du mountain. Site of Special Scientific Interest (SSSI) and Geological Conservation Review Site. Brecon Beacons National Park, Breconshire, Wales, UK. July, 2018.

Guy Edwardes / Iceberg in surf, Jokulsarlon, Iceland. January 2014

Guy Edwardes / Iceberg on black sand beach at Jokulsarlon, Iceland, March 2017.

Guy Edwardes / Sand patterns, Pjorsa River, Near Selfoss, Iceland. August 2017

Guy Edwardes / Patterns in Holsa River, near Hella, Iceland. August 2017

Guy Edwardes / Patterns in Holsa River, near Hella, Iceland. August 2017

Guy Edwardes / Jokulsarlon glacial lagoon at sunset, Iceland, September 2015.

Guy Edwardes / Southern Fjallabak, Iceland. September 2017

Guy Edwardes / Southern Fjallabak, Iceland. September 2017

Ashley Cooper / Climbers on the arete leading up from the Vallee Blanche to the Aiguille Du Midi above Chamonix, France. September 2014

Ashley Cooper / Climbers on the Cosmiques Arete, climbing the ladder to access the cable car station, and a base jumper in a wing suite flying past. Mont Blanc from the Aiguille Du Midi above Chamonix, France, Septem...

Ashley Cooper / Mont Blanc from the Aiguille Du Midi above Chamonix, France, with climbers on the Cosmiques Arete, climbing the ladder to access the cable car station. September 2014

Ashley Cooper / Mont Blanc with climbers on the Cosmiques Arete, climbing the ladder to access the cable car station. Aiguille Du Midi above Chamonix, France, September 2014

Ashley Cooper / Mont Blanc with climbers on the Cosmiques Arete, climbing the ladder to access the cable car station. Aiguille Du Midi above Chamonix, France, September 2014

Ashley Cooper / Happisburgh on the Norfolk Coast. This section of coast is the fastest eroding point in the UK and speeding up due to global warming induced sea level rise and increased stormy weather. August 2006

Ashley Cooper / Happisburgh on the Norfolk Coast. This section of coast is the fastest eroding point in the UK and speeding up due to global warming induced sea level rise and increased stormy weather. August 2006

Ashley Cooper / Happisburgh on the Norfolk Coast. This section of coast is the fastest eroding point in the UK and speeding up to to global warming induced sea level rise and increased stormy weather. August 2006

Ashley Cooper / Clear water from Dettifoss waterfall mixing with glacial meltwater of River Jokulsa a Fjollum from the Vatnajokull ice sheet. Iceland, September 2010

Ashley Cooper / Members of an expedition cruise to Antarctica sea kayaking in Paradise Bay beneath Mount Walker, Antarctic Peninsula. February 2014.

Ashley Cooper / Gentoo penguins (Pygoscelis papua) with members of an expedition cruise ship. Curverville Island, Antarctic Peninsula.

Ashley Cooper / Gentoo penguins (Pygoscelis papua) with members of an expedition cruise ship. Curverville Island, Antarctic Peninsula

Ashley Cooper / Icebergs off the South Orkney Islands, just off the Antarctic Peninsula.

Ashley Cooper / Moraine Lake, Banff National Park, Alberta, Canada, August 2012.

Ashley Cooper / Moraine Lake, Banff National Park, Alberta, Canada, August 2012.

Ashley Cooper / Moraine Lake, Banff National Park, Alberta, Canada, August 2012.

Ashley Cooper / Laguna Miluni a reservoir fed by glacial melt water from the Andean peak of Huayna Potosi. As climate change causes the glaciers to melt, the water supply for La Paz, Bolivia's capital city is rap...

Ashley Cooper / Laguna Miluni, contaminated with mine effluent and with a low level due to drought. This reservoir fed by glacial meltwater from the Andean peak, Huayna Potosi, Bolivian Andes. October 2015.

Ashley Cooper / Laguna Miluni, contaminated with mine effluent and with a low level due to drought. This reservoir is fed by glacial meltwater from the Andean peak, Huayna Potosi, Bolivian Andes. October 2015.

Ashley Cooper / Godafoss waterfall, Akureyri, near northern Iceland

Ashley Cooper / U shaped valley caused by rapidly retreating South Annapurna glacier in the Annapurna sanctuary, Nepalese Himalayas, Nepal. December 2012.

Ashley Cooper / U shaped valley caused by rapidly retreating South Annapurna glacier in the Annapurna sanctuary, Nepalese Himalayas, Nepal. December 2012.

Ashley Cooper / U shaped valley caused by rapidly retreating South Annapurna glacier in the Annapurna sanctuary, Nepalese Himalayas, Nepal. December 2012.

Ashley Cooper / Meltwater on the Langjokull ice cap in Iceland disappearing into a moulin. Like all of Icelands glaciers it is retreating rapidly due to climate change and is predicted to disappear in the next 100 ye...

Ashley Cooper / Twenty ton ice explorer truck next to a Moulin, or sink hole for meltwater. Iceland, September 2010.

Ashley Cooper / View towards Chacaltaya (5,395m) from La Paz, which until 2009 had a glacier which supported the worlds highest ski lift at over 17,000 feet. The glacier finally disappeared completely in 2009. Bolivi...

Ashley Cooper / Peak of Huayna Potosi from El Alto above, La Paz, Bolivia. La Paz and El Alto are critically short of water due to climate change causing glaciers to melt. The glaciers provide water to the town. Oc...

Graham Eaton / Vertically dipping Cretaceous Chalk exposed at Swyre and Bat's Head, near Weymouth, Dorset UK. A post-glacial channel can be seen at the top of the nearer headland, as cream coloured sand and grav...

Graham Eaton / Glacial outwash sand and gravel deposited during glacial retreat, Baumaris, Anglesey, Wales, UK, June.

Graham Eaton / Glacial outwash sand and gravel deposits, Baumaris, Wales, UK, June. These deposits were laid down in a fluvial environment of braided streams near the front of a retreating glacier, during the last I...