Laurie Campbell / Skylark (Alauda arvensis) attracted to feed below seed feeders in a garden after heavy snowfall covering its naturally occuring food supply, Berwickshire. Scotland, December 2010

Jabruson / Sun-dried fish provides many families with a readily available supply of protein and a product to sell at local markets, Gamba, Gabon

Mark Hamblin / 2020VISION / Delivery of wood chips for use by local hotel to supply heating, Kingussie, Scotland, UK, May.

Philip Stephen / Buzzard offshore production field, North Sea, February 2012. All non-editorial uses must be cleared individually.

Philip Stephen / Supply ship "Rem Supplier" waiting for the sea-state to decrease to allow supplies to be offloaded to an oilrig on the North Sea. March 2009.

Philip Stephen / Oil rig supply vessel "Highland Citadel" approaching Peterhead Harbour, Scotland, with another ship in the background. September 2008.

Philip Stephen / Oil rig supply vessel "Highland Citadel" approaching Peterhead Harbour, Scotland. September 2008.

Philip Stephen / Silhouette of supply vessels and an oil rig in the North Sea, September 2006

Philip Stephen / Supply ship "Rem Supplier" waiting for the sea-state to decrease to allow supplies to be offloaded to an oilrig on the North Sea. March 2009.

Philip Stephen / Oil rig supply vessel "Strilmoy" at the "Beryl bravo" platform, North Sea, March 2010.

Philip Stephen / Oil rig supply vessel "Porto Salvo" leaving Peterhead, Scotland, June 2010.

Philip Stephen / Oil rig supply vessel "Porto Salvo" leaving Peterhead, Scotland, June 2010.

Philip Stephen / Oil rig supply vessel "Strilmoy" offloading at the "Beryl bravo" platform, North Sea, March 2010.

Bryan and Cherry Alexander / Front loader collecting glacial ice for community water supply in Qaanaaq. Northwest Greenland, September 2008.

Bryan and Cherry Alexander / Front loader collecting glacial ice for community water supply in Qaanaaq. Northwest Greenland, September 2008.

Bryan and Cherry Alexander / Front loader collecting glacial ice for community water supply in Qaanaaq. Northwest Greenland, September 2008.

Roger Powell / Oystercatcher (Haematopus ostralegus) incubating in a "nest box" placed in a bay of Porsanger fjord. These nest boxes were originally used to provide a supply of eggs for food to local inhabitants, bu...

Tim Laman / Semi-permanent fishermans camp at Tanjung Besi, Gam Island. These outsiders from Buton Island, Sulawesi, come here for months at a stretch to fish at night for small fish. This view is inside one of...

Bryan and Cherry Alexander / Inuit youth carrying carton of Pepsi from supply plane at Savissivik. Northwest Greenland, 1996. Editorial use only.

Bryan and Cherry Alexander / Cessna Caravan supply plane taking off from sea ice of Meteorite Bay. Savissivik, Northwest Greenland, 1996.

Neil Lucas / Soap supply in interior of Shackleton's Nimrod Hut, frozen in time from the British Antarctic Expedition 1907, Cape Royds, McMurdo Sound, Antarctica, November 2008

David Woodfall / Influx of salt water into shrimp ponds at high tide, benefits Shrimp farming but threatens the supply of drinking water by causing salination, Ganges delta, Bangladesh, November 2008

David Woodfall / Influx of salt water into shrimp ponds at high tide, benefits Shrimp farming but threatens the supply of drinking water by causing salination, Ganges delta, Bangladesh, November 2008

David Woodfall / Influx of salt water into shrimp ponds at high tide, benefits Shrimp farming but threatens the supply of drinking water by causing salination, Ganges delta, Bangladesh, November 2008

David Woodfall / Influx of salt water into shrimp ponds at high tide, benefits Shrimp farming but threatens the supply of drinking water by causing salination, Ganges delta, Bangladesh, November 2008

David Woodfall / Influx of salt water into shrimp ponds at high tide, benefits Shrimp farming but threatens the supply of drinking water by causing salination, Ganges delta, Bangladesh, November 2008

David Woodfall / Influx of salt water into shrimp ponds at high tide, benefits Shrimp farming but threatens the supply of drinking water by causing salination, Ganges delta, Bangladesh, November 2008

David Woodfall / Boats in Lydney harbour, medieval harbour linking Lydney with South East to supply timber, grain, coal, tinplate to Severn Estuary. England, August 2009

David Woodfall / Boats in Lydney harbour, medieval harbour linking Lydney with South East to supply timber, grain, coal, tinplate to Severn Estuary. England, August 2009

David Woodfall / Old coal loading stage and boat in Lydney harbour, medieval harbour linking Lydney with South East to supply timber, grain, coal, tinplate to Severn Estuary. England, August 2009

Tim Laman / Family in the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are washed...

Tim Laman / Man repairing home in the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts tha...

Tim Laman / Villagers in the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are was...

Tim Laman / Villagers in the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are was...

Tim Laman / Traditional houses in the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts tha...

Tim Laman / Village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are washed away by high...

Tim Laman / Villagers in the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are was...

Tim Laman / Village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are washed away by high...

Tim Laman / Village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are washed away by high...

Tim Laman / Village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are washed away by high...

Tim Laman / Two women in the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are was...

Tim Laman / Villagers the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are washed...

Tim Laman / Woman thatching a roof in the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts...

Tim Laman / Village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are washed away by high...

Tim Laman / Village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are washed away by high...

Tim Laman / Village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that are washed away by high...

Tim Laman / Woman and chicken in the village of Chandpai on the Passur River, where shrimp fry fishing to supply shrimp for the shrimp ponds is the main industry. Villagers live in simple mud and thatch huts that...

Dan Burton / Julia Petrik free-diving (without air supply) under the ice in the White Sea, Northern Russia March 2008

Dan Burton / Julia Petrik free-diving (without air supply) with captive Beluga / White whale {Delphinapterus leucas} under ice in the White sea, Russia March 2008

Dan Burton / Julia Petrik free-diving (without air supply) under the ice in the White Sea, Northern Russia March 2008

Philip Stephen / Silhouette of a supply vessel and oil rig in the North Sea, September 2006

Philip Stephen / A helicopter and supply vessel next to the oil rig J.W McLean, North Sea, September 2006

Martin H Smith / Oil rig with supply ship North Sea

Jabruson / Rubbish dump polluting water supply, Brazzaville, Democratic Republic of Congo

Martin H Smith / Robin {Erithacus rubecula} dead from exhaustion on oil rig supply ship, North Sea.

Kim Taylor / Male Three spined stickleback {Gasterosteus aculeatus} fans nest to supply eggs with oxygen, UK, Sequence 12/16

Heidi & Hans-Juergen Koch / American Alligator (Alligator mississippiensis) with a freshly killed Egret in its mouth, unlike mammal predators they don't depend on food as a permanent energy supply, in summer and spring they eat...

Norbert Wu / Shark fins drying in the sun, used in shark fin soup, sharks are threatened by over fishing to supply high demand for fins and flesh, Baja California, Mexico

Norbert Wu / Oceanic White-tip Shark (Carcharhinus longimanus) hooked on long-line, threatened by overfishing to supply high demand for fins and flesh, Baja California, Mexico

Pete Oxford / Filling water containers, rural water supply project. Ecuador Pro Pueblo Foundation, Chongon-Colonche Cordillera.

Martin H Smith / Oil rig with supply ship North Sea

David Shale / Deep sea Anglerfish female with parasitic male attached to belly - stomach visible through mouth due to pressure change at surface where photographed. Male is x10 smaller than female and lives permane...

Pete Oxford / Filling water containers, rural water supply project. Pro Pueblo Foundation, Ecuador

Onne van der Wal / Supply ship for the clipper cruises sailing off the south coast of Grenada, Caribbean.

Philip Stephen / Supply vessel "Caledonian service" alongside drilling rig "J.W.McLean", offloading supplies.

Philip Stephen / Offshore supply ship "Maersk Forwarder" unloading containers at Miller B oil/gas platform in the North Sea. Autumn 2006.

Philip Stephen / Offshore supply ship "Maersk Forwarder" unloading containers at Miller B oil platform in the North Sea. Autumn 2006.

Philip Stephen / Offshore supply ship "Maersk Forwarder" unloading containers at Miller B oil/gas platform in the North Sea. Autumn 2006.

Rick Tomlinson / "James Clark Ross", Antarctic supply and survey ship, Antarctica.

Larry Minden / Drilling platform and supply boat, Santa Barbara Channel, California

Jose B. Ruiz / Food stock pile and leftovers of Wood mouse {Apodemus sylvaticus} Europe

Martin H Smith / Oil rig with supply ships North Sea