Ashley Cooper / Heliostats, large reflective mirrors directing sunlight to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. June 2011

Denis-Huot / Masai giraffe (Giraffa camelopardalis tippelskirchi) in distance silhouetted at sunrise with clouds, Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / Masai giraffe (Giraffa camelopardalis tippelskirchi) herd at sunrise, Masai-Mara Game Reserve, Kenya. November.

Denis-Huot / Crowned crane (Balearica regulorum gibbericeps) pair at sunrise, Masai-Mara Game Reserve, Kenya. June.

Denis-Huot / Masai giraffes (Giraffa camelopardalis tippelskirchi), at sunrise, Masai-Mara Game Reserve, Kenya. March.

Arne Hodalic / Nenet herdsman with Reindeer (Rangifer tarandus) during summer migration, Yamal Peninsula, Russia. May.

Pete Oxford / Konyak Naga tattooed Ang or Chief. Only someone who has killed and taken a human head can be tattooed in this manner. Mon district. Nagaland, North East India, October 2014.

Eric Baccega / Salt caravans made up of hundreds of Dromedary camels (Camelus dromedarius) and their pullers transporting salt slabs cut from Lake Assale to the Mekele Market, Danakil depression, Afar region, Ethiop...

Sven Zacek / Cross-country skiier on a moonlit night admiring the Northern Lights (Aurora borealis), Norway, March 2013.

Steven Kazlowski / Photographer in front of Northern lights / Aurora borealis glowing brightly over the frozen eastern Beaufort Sea, Arctic National Wildlife Refuge, Alaska Model released.

Denis-Huot / Group of male African lions (Panthera leo) resting with storm clouds overhead, Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / African elephant (Loxodonta africana) herd at sunset, Masai-Mara Game Reserve, Kenya. January.

Olga Kamenskaya / Man looking through transparent ice (1m thick) on lake surface to see diver below. Lake Baikal, Russia, March 2008. Model released.

Axel Gomille,Axel Gomille / Camel herder with Dromedary camel (Camelus dromedarius) Thar Desert, Rajasthan, India

Kirkendall-Spring / Perspective of mountain biker over handlebars, Taylor Canyon, Island In The Sky District. Canyonlands National Park, Utah, October 2012. Model released.

Oriol Alamany / Hiker walking the Calanche de Piana, Corse-du-Sud, Corsica Island, France, Model released.

Michael W. Richards / Domesticated Indian elephants (Elephas maximus) being walked to forest at sunset, Pench Tiger Reserve, Madhya Pradesh, India

Christophe Courteau / Kalahari bushmen, Qhaikgao and Xaiga hunting together in the grassland. Central Kalahari Desert. Botswana, August 2008

Fabio Liverani / Traditional fishermen of Weligama, seated on long poles, fishing with rods, Sri Lanka, June 2010

Laurent Geslin / Landscape of mountains in winter, with walkers crossing peaks, in the Jura region, Switzerland. January 2009

Jeff Rotman / DeepSee diving submersible at water's surface, being towed, Cocos Island, Costa Rica, Pacific Ocean. Property released Model released.

Jeff Vanuga / Cowboys working for the Bureau of Land Management round up wild horses / mustangs to remove them from public land, Red Desert, Wyoming, USA. Model released

Morley Read / Sincholagua Volcano (4,899m) after a heavy snowfall, the summit now only occasionally has snow, and its glaciers have melted due to climate change, Cotopaxi National Park, Ecuador, 2018. (non-ex)

David Woodfall / Little Tern (Sterna albifrons) at its nest amongst Black oats (Avena strigosa), on cultivated machair, Berneray, North Uist, UK. June. Crofting sympathetic to wildlife, photographed using remote camer...

Philippe Clement / Common hazel (Corylus avellana) close up of female catkin concealed in bud with only the red styles visible against blue sky, Belgium, February

Ashley Cooper / The irony of solar powered CCTV at Shell's Albian sands tar sands mine. The tar sands are the largest industrial project on the planet, and the world's most environmentally destructive. The synthetic...

Ashley Cooper / The tailings pond at the Syncrude mine north of Fort McMurray, Alberta, Canada. Tailings ponds in the tar sands are unlined and leach toxic chemicals into the surrounding environment. In addition, tho...

Ashley Cooper / Tar sands deposits being mined at the Syncrude mine north of Fort McMurray, Alberta, Canada. The tar sands are the largest industrial project on the planet, and the world's most environmentally destru...

David Fleetham / Green sea turtle (Chelonia mydas) hatchling entering the water Yap, Micronesia. Small repro only

Claudio Contreras / Striated caracara (Phalcoboenus australis) group with one landing from above with only wings and tail visible. Carcass Island, Falkland Islands, October

Nick Hawkins / Talamanca Range, Talamanca Range-La Amistad Reserves / La Amistad National Park UNESCO Natural World Heritage Site, Costa Rica. small repro only

Nick Hawkins / Cloud forest of the Talamanca Range, Talamanca Range-La Amistad Reserves / La Amistad National Park UNESCO Natural World Heritage Site, Costa Rica. Small repro only.

Denis-Huot / African elephant (Loxodonta africana) herd silhouetted in distance walking through a storm, Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / Wildebeest (Connochaetes taurinus) herd walking in a line in the rain at sunset, Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / Male impala (Aepyceros melampus) at sunrise, Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / Wildebeest (Connochaetes taurinus) in distance grazing in the plains at sunset , Masai-Mara Game Reserve, Kenya. October.

Denis-Huot / Clouds over the plains in the dry season, Amboseli National Park, Kenya. October 2010.

Denis-Huot / Trees silhouetted against sunset and clouds, Masai-Mara Game Reserve, Kenya. March 2010.

Denis-Huot / Clouds at sunset, Masai-Mara Game Reserve, Kenya. March 2010.

Denis-Huot / Trees silhouetted against sunset and clouds, Masai-Mara Game Reserve, Kenya. April 2013.

Denis-Huot / Storm clouds moving across the plains, Masai-Mara Game Reserve, Kenya. August 2013.

Denis-Huot / Storm clouds and double rainbow above a herd of African buffalo (Syncerus caffer caffer), Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / Rain clouds moving across the plains, Masai-Mara Game Reserve, Kenya. September 2013.

Denis-Huot / Clouds at sunrise, Masai-Mara Game Reserve, Kenya. October 2013.

Denis-Huot / Trees silhouetted against clouds at sunrise, Masai-Mara Game Reserve, Kenya. March 2014.

Denis-Huot / Cumulus and altostratus clouds, Masai-Mara Game Reserve, Kenya. March 2013.

Denis-Huot / Single Male waterbuck (Kobus ellipsiprymnus) in distance silhouetted against big sky and clouds, Masai-Mara Game Reserve, Kenya. October.

Sylvain Cordier / Scarlet ibis (Eudocimus ruber), two birds perched on bushes, Coro, Venezuela. Small repro only.

Sylvain Cordier / King vulture (Sarcoramphus papa) in flight in the Andean Mountains, Pico de Aguila, Venezuela. Small repro only.

Jen Guyton / Safari vehicle on road in Serengeti National Park, Tanzania. Small repro only.

Pal Hermansen / Mountt Beerenberg, Jan Mayen, 2277 m, Norway, July 2016. Small repro only.

Loic Poidevin / Western marsh harrier (Circus aeruginosus) partially leucistic individual in flight, Vendee, France, August. Small reproduction only.

Constantinos Petrinos / The Holy Monastery of Varlaam. This is the second largest monastery in the Meteora complex. It was built in 1541 and embellished in 1548. The old refectory is used as a museum. It is among the 6 out o...

Constantinos Petrinos / The Holy Monastery of Varlaam. This is the second largest monastery in the Meteora complex. It was built in 1541 and embellished in 1548. The old refectory is used as a museum. It is among the 6 out o...

Constantinos Petrinos / Two Greek Orthodox rock Monasteries in Meteora. The Holy Monastery of Great Meteoron (on the right - erected in the mid-14th century) The building serves as the main museum for tourists. The Holy Mon...

Constantinos Petrinos / Two Greek Orthodox rock Monasteries in Meteora. The Holy Monastery of Rousanou/St. Barbara (foreground right) which was founded in the middle of 16th century and in the background the Holy Monastery...

Juergen Freund / Leatherback turtle (Dermochelys coriacea) hunted by Moluccan man during traditional hunt, Kei Kecil Island, Moluccas, Indonesia

Nick Upton / Adult Herring gull (Larus argentatus) standing on one leg on rooftop, Looe, Cornwall, UK, June. Editorial use only.

Denis-Huot / Masai giraffe (Giraffa camelopardalis tippelskirchi) herd walking, Masai-Mara Game Reserve, Kenya. October.

Denis-Huot / Rain clouds above the plains at sunset, Masai-Mara Game Reserve, Kenya. March 2008.

Kirkendall-Spring / Campsite at night in Snowy Lakes Basin, glow of forest fire on the horizon. North Cascades area of the Okanogan Wenatchee National Forest, Washington, USA, July 2014. Model released.

Frederique Olivier / Adelie penguin (Pygoscelis adeliae) flapping wings, wide angle, Antarctica. Small reproduction only.

Andy Trowbridge / Researcher catching a flying Kea (Nestor notabilis) with net gun. Kea Research, South Island, New Zealand. January. Model released.Digital composite.

Olga Kamenskaya / Support team on the surface of the ice helping diver below. Lake Baikal, Russia, March 2013.

Enrique Lopez-Tapia / Portrait of woman with three others behind on beach where they search for shellfish, Orango Islands National Park, Orango Island, Guinea-Bissau, December 2013.

Enrique Lopez-Tapia / Man in open rowboat at dusk, Orango Island, Guinea-Bissau, December 2013.

Jean E. Roche / Giant mirror in the shape of a person, a public sculpture by Rob Mullholland, Port Saint Louis du Rhone, Camargue, France, May 2013. Editorial Use only. Credit Jean Roche / Le Citron Jaune / Mullholla...

Ann & Steve Toon / Save the Rhino Trust camel camp patrol teams Hans Ganaseb (left) and Dansiekie Ganaseb with Simson Uri-Khob (no hat) and camels, Kunene region, Namibia, May 2013

Ann & Steve Toon / South African church with save the rhino anti-poaching slogan on electronic advertising billboard, Klerksdorp, North west province, South Africa, June 2012. Editorial use only

Ann & Steve Toon / Anti-poaching unit on patrol in the bush, led by Sibongiseni Kunene, Ezemvelo KZN Wildlife, iMfolozi game reserve, KwaZulu-Natal, South Africa, June 2012. Editorial use only

Aflo / Y-3603 Cumulus clouds in blue sky

Steven Kazlowski / Scientists conducting Bowhead whale (Balaena mysticetus) survey, From their observatory on the rough sea ice, they count passing whales during their spring migration, Chukchi Sea, off shore from Barro...

Onne van der Wal / Storm clouds over the Laser dinghy class during the Atlanta Olympics in Savannah, Georgia, USA, 1996. Editorial Use Only.

Onne van der Wal / Thunder clouds build over the Laser dinghy fleet at the 1996 Atlanta Olympics, Savannah, Georgia. USA 1996. Editorial Use Only.

Gary Braasch / Children playing on the last Arctic ice of the season in a year when sea ice reached an historic low, Barrow, Alaska, USA, Arctic Ocean. July, 2012. Small repro only.

Shane Gross / Two Gentoo penguins (Pygoscelis papua) walking down a snowy slope in front of the National Geographic Endurance ship, Neko Harbour, Antarctica, Southern Ocean. EDITORIAL USE ONLY.

Enrique Lopez-Tapia / Woman approaching Buddhist chorten / stupa covered in prayer flags, under stormy sky. Ganden Thubchen Choekhorling Monastery, Litang, Garze Tibetan Autonomous Prefecture, Sichuan, China. October 2016....

Enrique Lopez-Tapia / Buddhist novices studying and reciting mantra, outdoors sitting in steppe in stormy light. Ganden Thubchen Choekhorling Monastery, Litang, Garze Tibetan Autonomous Prefecture, Sichuan, China. October...

Jeff Foott / Chinstrap penguin (Pygoscelis antarctica), Ronge Island, Antarctica. Medium repro only

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhinoceroses (Ceratotherium simum), Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhinoceroses (Ceratotherium simum), Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum) female and juvenile, Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhinoceroses (Ceratotherium simum) with calf playing with adult, Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require cl...

Will Burrard-Lucas / White rhinoceroses (Ceratotherium simum) with calf playing with adult, Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require cl...

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum) female and calf. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum) group. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance

Will Burrard-Lucas / White rhino (Ceratotherium simum), portrait. Solio Game Reserve, Solio Ranch, Kenya. Taken with remote camera buggy / BeetleCam. EDITORIAL USE ONLY. All other uses require clearance