Sven Zacek / Vahandu River in spate after snow melt. Southern Estonia, February 2013.

Eric Baccega / Aerial view of Devon Island, Nunavut, Canada, June 2012.

Inaki Relanzon / Blue ice melt pool in snow near the peak of La Munia Circo. The Pyrenees, Aragon, Spain, May 2011.

Diane McAllister / The snow at Horsetail Falls' begins to melt in mid-February, enabling the falls to resume once again. The clear sky and low sun angle ignite the rock wall during sundown. Yosemite National Park, Calif...

Alex Hyde / Dwarf snowbell (Soldanella pusilla) flower in snow. The plant generates heat by fermenting sugars to melt the surrounding snow. Austrian Alps, 2300 metres above sea level, June.

Staffan Widstrand / Bylot island, Baffin islands, melting sea ice in spring, Canad

Heather Angel / Blossom scarab beetle (Epicometis hirta) feeding on Ficaria flower (Ficaria fascicularis). In snow melt area, Turkey. May.

Heather Angel / Blossom scarab beetle (Epicometis hirta), two feeding on Ficaria flower (Ficaria fascicularis) with yellow leaves, having not yet developed chlorophyll. In snow melt area, Turkey. May.

Sven Zacek / Pattern of Conifer (Pinaceae) needles on snow, revealed following spring melt. Agusalu Nature Reserve, Ida-Virumaa, Eastern Estonia. April.

Franco Banfi / Diving gear under fallen snow belonging to divers who have waited for the spring melt to explore the waters around an iceberg. Tasiilaq, East Greenland. April 2018.

Heike Odermatt / Snow-covered ice with melted holes, Spitsbergen, Svalbard, Norway

Ashley Cooper / Raise Beck above Dunmail Raise, with large snow drift, Lake District, England, UK, April.

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

Ashley Cooper / Mont Blanc Du Tacul with mountaineers climbing the peak. From the Aiguille Du midi, above Chamonix, France, September 2014

Ashley Cooper / Mont Blanc Du Tacul, with mountaineers crossing the Vallee Blanche. 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 / Hill walker on Ben Lawers above Loch Tay in the Scottish Highlands, UK, Scotland. April 2014

Ashley Cooper / Melting ice and snow at on Joinville Island just off the Antarctic Peninsula.

Ashley Cooper / Balcony cafe over looking The Mer De Glace which has thinned 150 meters since 1820, and retreated by 2300 Metres, with a balcony cafe overlooking the rapidly shrinking glacier. Chamonix, France, Septe...

Ashley Cooper / Ice bergs and sea ice of the Greenland ice, July 2008.

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...

Roger Powell / Snow Bunting (Plectrophenax nivalis) female in feeding area at snow melt. Langbuness, Varanger Fjord, Finnmark, Norway, May.

Roger Powell / Slavonian grebe (Podiceps auritus) breeding habitat during early spring snow melt and thaw. During this time there is limited availability of nest sites. Kolvik, Porsanger fjord, Finnmark, Norway. Ma...

Roger Powell / Snow bunting (Plectrophenax nivalis) female in feeding area at snow melt. Langbuness, Varanger Fjord, Finnmark, Norway. May.

Roger Powell / Snow bunting (Plectrophenax nivalis) female in feeding area at snow melt. Langbuness, Varanger fjord, Finnmark, Norway, May.

Cyril Ruoso / Common frog (Rana temporaria) moving along melt water stream in breeding season in the Alps, France, June..

Juan Carlos Munoz / View of a melt water river from Vatnajokull glacier, Vatnajokull National Park, Iceland, Europe, March 2014.

Christophe Courteau / Thawing sea ice in Woodfjord, Svalbard, Norway, June, 2012.

Andy Sands / Meadow pipit (Anthus pratensis) in snow, Hertfordshire, England, UK, January.

Adrian Davies / Spring Gentian (Gentiana verna) in flower in valley with snow and melt water from the mountains in the background, Picos de Europa, northern Spain. June.

Sven Zacek / Icicles formed from water running from woodland over exposed tree roots systems. Northern coast of the Baltic Sea in Estonia. February 2013.

Floris van Breugel / Water from the spring melt of snow at high elevations creating an immense volume of water, California's Yosemite National Park, June.

Eric Baccega / Aerial view of Devon Island, Nunavut, Canada, June 2012

Eric Baccega / Aerial view of Devon Island, Nunavut, Canada, June 2012.

Eric Baccega / Stream swollen with snow melt, Anstead Point, Ellesmere Island, Nunavut, Canada, June 2012.

Eric Baccega / Stream swollen with snow melt, Anstead Point, Ellesmere Island, Nunavut, Canada, June 2012.

Mark Payne-Gill / Hibernating Purple Emporer Butterfly (Apatura iris) larva with snow melting on Sallow branch (Salix caprea). Studio, Tetbury.

Brent Stephenson / Windows in an iceberg at the 'iceberg graveyard'. Near Pleneau Island, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / A large crack in an iceberg being lit by deep blue light filtering through the berg. Yalour Islands, Antarctic Peninsula, Antarctica, December.

Inaki Relanzon / Ice melt pool in snow near the peak of La Munia Circo. The Pyrenees, Aragon, Spain, May 2011.

Inaki Relanzon / Ice melt pool in snow near the peak of La Munia Circo. The Pyrenees, Aragon, Spain, May 2011.

Inaki Relanzon / Ice melt pool in snow near the peak of La Munia Circo. The Pyrenees, Aragon, Spain, May 2011.

Stefan Huwiler / Aletsch Glacier, UNESCO World Heritage Site. Jungfrau-Aletsch-Bietschhorn, Goms, Valais, Switzerland, Europe, August 2008.

Stefan Huwiler / Aletsch Glacier, UNESCO World Heritage Site. Jungfrau-Aletsch-Bietschhorn, Goms, Valais, Switzerland, Europe, August 2008.

Stefan Huwiler / Aletsch Glacier, UNESCO World Heritage Site. Jungfrau-Aletsch-Bietschhorn, Goms, Valais, Switzerland, Europe, August 2008.

Bryan and Cherry Alexander / Nenets girl, warmly dressed in reindeer skin clothing, carrying snow to melt for water. Yamal, Northwest Siberia, Russia, February 2007. Editorial use only.

Troels Jacobsen/Arcticphoto / Polar Bear (Ursus maritimus) mother with yearling cub, with their reflections in a melt pool. 82 degrees north, north of Seven Islands, Polar Basin, Svalbard, 2006.

Troels Jacobsen/Arcticphoto / Polar Bear (Ursus maritimus) on sea ice with her reflection in a melt pool. 82 degrees north, north of Seven Islands, Polar Basin, Svalbard, 2006.

Alex Hyde / Dwarf snowbell (Soldanella pusilla) flower in snow. The plant generates heat by fermenting sugars to melt the surrounding snow. Austrian Alps, 2300 metres above sea level, June.

Matthias Breiter / Snow melt and Salmon Glacier, British Columbia, Canada

Bryan and Cherry Alexander / Chukchi woman carrying bucket of snow to melt for water at camp in the Oloy Valley. Chukotka, Siberia, Russia, 1994.

Roger Powell / Marsh Marigold {Caltha palustris} flowering in old snow melt areas of Honoya island, Varanger, Norway

Warwick Sloss / Landscape view of Fox Glacier, with melt run off, South Island, New Zealand

Michael W. Richards / Aerial view of Wrangel Island with spring sunshine before the annual melt, Siberia, Russia Arctic

DAVID TIPLING / Oulankajoki river, swollen due to snow melt in May, Oulanka NP, Kuusamo, Northern Finland

Yuri Shibnev / Early spring landscape before the snow melt, Primorsky region, Far East Russia (Ussuriland).

Solvin Zankl / Norway lemming nest exposed after snow melt {Lemmus lemmus} Norway

Ben Osborne / Crested auklets wait for snow to melt to expose nest sites {Aethia cristatella} E Russia

Ben Osborne / Crested auklets wait for snow to melt to expose nest sites {Aethia cristatella} Russia

Andy Sands / Multiple Slime mould (Lamproderma scintillans) sporangia, usually associated as snow melt species, forming on decaying Beech (Fagus sp) leaf. Buckinghamshire, England, UK. December. Focus Stacked.

Andy Sands / Multiple Slime mould (Lamproderma scintillans) sporangia, usually associated as snow melt species, forming on decaying Beech (Fagus sp) leaf. Buckinghamshire, England, UK. December. Focus Stacked.

Orsolya Haarberg / Bright orange rhyolite volcanic rock, formed in mountains when silicon-rich elements of the Earth's crust melt, and the viscous fluid is forced to the surface, Landmannalaugar valley, Iceland. June, 2...

Paul Harcourt Davies / Alpine pasque flowers (Pulsatilla alpina millefoliata) flowering a few days after the snow has melt, Emilia Romagna, Italy. June.

Paul Harcourt Davies / Neapolitan crocus (Crocus neapolitanus) in flower on mountainside, high in the Apennines after the snow melt, Campo Imperatore, Abruzzo, Italy. May.

Paul Harcourt Davies / Neapolitan crocus (Crocus neapolitanus) in flower on mountainside, high in the Apennines after the snow melt, Campo Imperatore, Abruzzo, Italy. May.

Paul Harcourt Davies / Neapolitan crocus (Crocus neapolitanus) in flower on mountainside, high in the Apennines after the snow melt, Campo Imperatore, Abruzzo, Italy. May.

Paul Harcourt Davies / Neapolitan crocus (Crocus neapolitanus) in flower high in the Apennines after the snow melt, Campo Imperatore, Abruzzo, Italy. May.

Paul Harcourt Davies / Alpine squill (Scilla bifolia) in flower, just after snow melt, Orvieto, Umbria, Italy. February.

SCOTLAND: The Big Picture / Aerial view of Insh Marshes flooded after snow melt, Cairngorms National Park, Scotland, UK. January, 2020.

SCOTLAND: The Big Picture / Broken spectre and fog bow after snow melt, Meall nan tarmachan, Perthshire, Scotland. January, 2020.

Paul Harcourt Davies / Neapolitan crocus (Crocus neapolitanus) in bloom after the snow melt, high in the Apennines, Campo Imperatore, Abruzzo, Italy. May.

Uri Golman / Glacial melt water, Greenland's National Park, Northeast Greenland. January 2000.

Paul Harcourt Davies / Tomasso's cinquefoil (Potentilla detomasso) in flower, growing beside seasonal lake after snow melt, Abruzzo, Italy. June.

Paul Harcourt Davies / Tomasso's cinquefoil (Potentilla detomasso) in flower, growing beside seasonal lake after snow melt, Abruzzo, Italy. June.

Paul Harcourt Davies / Oxlip (Primula elatior) in alpine pasture following snow melt, mountains in background. Col di Rodella, Fassa Valley, Dolomites, Trentino, Italy. June 2019.