Eric Baccega / View of sailboat from directly above, showing deck, and floating ice. King's Bay, Spizbergen, Svalbard Archipelago, Norway, July 2000

Ashley Cooper / Akademik Sergey Vavilov, an ice strengthened ship on an expedition cruise to Antarctica, in the Gerlache Strait, Antarctic Peninsula.

Ashley Cooper / Passenger from an Antarctic cruise ship amongst coastal scenery beneath Mount Walker, Paradise Bay off Graham Land on the Antarctic Peninsula.

Ashley Cooper / Stunning coastal scenery beneath Mount Walker, Paradise Bay off Graham Land, Antarctic Peninsula.

Ashley Cooper / Coastal scenery beneath Mount Walker, Paradise Bay off Graham Land, Antarctic Peninsula.

Ashley Cooper / Coastal scenery beneath Mount Walker, Paradise Bay off Graham Land, Antarctic Peninsula.

Ashley Cooper / Coastal scenery beneath Mount Walker, Paradise Bay off Graham Land, Antarctic Peninsula.

Ashley Cooper / Coastal scenery beneath Mount Walker, Paradise Bay off Graham Land, Antarctic Peninsula.

Brent Stephenson / Brash ice and bergy bits (small icebergs) covering the surface of the Lemaire Channel, Antarctic Peninsula, Antarctica, January 2012.

Colin Monteath/ Hedgehog House / Ice floes and coast, Lemaire Channel, Antarctic Peninsula, Antarctica

Gerry Ellis / Ice floes, Antarctica

Matthias Breiter / Paradise Bay, Antarctic Peninsula, Antarctica

Cyril Ruoso / Ice from Vatnajokull Glacier on a volcanic black sand beach, Iceland

Hiroya Minakuchi / Pack ice, Antarctic Peninsula, Antarctica

Hiroya Minakuchi / Pack ice, Antarctic Peninsula, Antarctica

Matthias Breiter / Bergy bits with Mount Saint Elias rising above Taan Fjord, Icy Bay, Wrangell-St. Elias National Park, Alaska

Matthias Breiter / South Sawyer Glacier and bay full of bergy bits, Tracy Arm-Fords Terror Wilderness, Tongass National Forest, Alaska

Hiroya Minakuchi / Iceberg with arch and ice floes, Antarctica

Yva Momatiuk & John Eastcott / Floating ice floes and blue tabular iceberg, near South Georgia Island

Yva Momatiuk & John Eastcott / Ice floes and blue tabular iceberg, near South Georgia Island

Yva Momatiuk & John Eastcott / Cumulus clouds in blue sky over sea with ice chunks and snowy mountains of Allardyce Range, Salisbury Plain, South Georgia Island

Yva Momatiuk & John Eastcott / Ice columns and broken ice floes of Fortuna Glacier descending to sea, Antarctic Bay, South Georgia Island

Yva Momatiuk & John Eastcott / Ice columns and broken ice floes of Fortuna Glacier descending to sea, Antarctic Bay, South Georgia Island

Yva Momatiuk & John Eastcott / Ice chunks calved off Twitcher Glacier floating and melting in sea, South Georgia Island

Yva Momatiuk & John Eastcott / Ice chunks calved off Twitcher Glacier floating and melting in sea, South Georgia Island

Yva Momatiuk & John Eastcott / Iceberg sculpted by waves and loose ice chunks floating in sea as global warming causes faster melting of ice, South Georgia Island

Yva Momatiuk & John Eastcott / Iceberg sculpted by waves and loose ice chunks floating in sea as global warming causes faster melting of ice, South Georgia Island

Yva Momatiuk & John Eastcott / Iceberg sculpted by waves and loose ice chunks floating in sea as global warming causes faster melting of ice, South Georgia Island

Yva Momatiuk & John Eastcott / Twitcher Glacier beneath mountains of Salversen Range with bergy bits melted from calving chunks of ice, South Georgia Island, Southern Ocean, Antarctic Convergence

Flip Nicklin / Tourists observing glacier and bergy bits from inflatable boat, southeast Alaska

Flip Nicklin / Tourists in inflatable boat observing glacier and bergy bits, southeast Alaska

Colin Monteath / Melting shard of an iceberg, bergy bit, Danco Coast, Antarctica Peninsula, Antarctica

Flip de Nooyer / Bergy bits from Neumayer glacier, Cumberland West Bay, South Georgia

Colin Monteath / Tourist photographing icebergs and bergy bits on Brown Bluff Beach near Hope Bay, Antarctic Sound, Antarctica

Yva Momatiuk & John Eastcott / Iceberg breaking up and releasing pieces of ice called bergy bits which float and melt, late summer season, Saglek Fjord, Newfoundland, Canada

Yva Momatiuk & John Eastcott / Iceberg breaking up and releasing pieces of ice called bergy bits which float and melt, late summer season, Saglek Fjord, Newfoundland, Canada

Cyril Ruoso / Ice from Vatnajokull Glacier on a volcanic black sand beach, Iceland

Cyril Ruoso / Icebergs from Vatnajokull Glacier, Jokulsarlon Lagoon, Iceland

Matthias Breiter / Common Merganser (Mergus merganser) flock landing among bergy bits, Taan Fjord, Icy Bay, Wrangell-St. Elias National Park, Alaska

Matthias Breiter / Waterfalls near South Sawyer Glacier, Tracy Arm-Fords Terror Wilderness, Tongass National Forest, Alaska

Stephen Belcher / Icebergs, Antarctic Peninsula, Antarctica

Yva Momatiuk & John Eastcott / Floating ice floes and blue tabular iceberg sculpted by waves and melting action accelerated by global warming and climate change, near South Georgia Island

Flip Nicklin / Icebergs in Isabella Bay, Baffin Island, Canada

Flip Nicklin / Icebergs in Isabella Bay, Baffin Island, Canada

Flip de Nooyer / Snow-covered sailboat nearing Couverville Island, Gerlache Strait, Antarctica

Flip de Nooyer / Sailboat avoiding broken ice, Mt Cloos of the Antarctic Peninsula on the left and Wandel Peak of Booth Island on the right, Lemaire Channel, Antarctica

Flip de Nooyer / Antarctic Peninsula surrounds icebergs in Lemaire Channel, Antarctica

Flip de Nooyer / Sailboat navigating through broken ice, Penola Strait, Argentine Islands, Antarctica

Flip de Nooyer / Two tourists relaxing on the deck of sailboat Meander as it navigates through bergy bits, Lemaire Channel, Antarctica

Flip de Nooyer / Overlooking lichen-covered rocks and ice floes, Lemaire Channel, Antarctica

Flip de Nooyer / Glacier reaches the ocean, South Georgia Island

Flip de Nooyer / Sailboat approaching glacier, Lemaire Channel, Antarctica

Colin Monteath / Adelie Penguin (Pygoscelis adeliae) group walking amid bergy bits on Brown Bluff beach near Hope Bay, Antarctic Sound, Antarctica