Andy Rouse / Polar bear (Ursus maritimus) on pack ice taken with fisheye lens, Svalbard, Arctic September 2011
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Eric Baccega / Aerial view of Devon Island, Nunavut, Canada, June 2012.
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Graham Eaton / View of frozen Llynnau Mymbyr, a mountain lake, with fog partly revealing a mountain ridge, Snowdonia NP, Gwynedd, Wales, UK, December
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Bryan and Cherry Alexander / Drygalski Glacier, which receded 300 metres between November 2008 and 2009, South Georgia, 2009.
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David Woodfall / Aerial view of pancake ice sheet cracking and melting in Hudson Bay, Manitoba, Canada, December 2004
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Bryan and Cherry Alexander / Melting iceberg showing the portion underwater that is sculpted by the sea. Polar regions. Digitally created image composite
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Bryan and Cherry Alexander / Meltwater pouring off iceberg above hole. Scoresbysund Fiord, East Greenland, September 2005.
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Bryan and Cherry Alexander / Icicles hanging from a ledge on an iceberg, Antarctica, October 2006.
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Bryan and Cherry Alexander / Icebergs in the Weddell Sea at sunset. Antarctica, October 2006.
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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...
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Eric Baccega / Melting ice at Floe Edge, Arctic Bay, Baffin Island, Nunavut, Canada, April 2009.
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Eric Baccega / Melting ice under expansive clouds. Floe Edge, Arctic Bay, Baffin Island, Nunavut, Canada, April 2009.
