Sandra Bartocha / Sun rays shining through European beech woodland (Fagus sylvatica). Serrahn, Muritz-National Park, World Natural Heritage site, Germany, Europe. November 2015.

Guy Edwardes / Lanyon Quoit ancient burial chamber, Madron, Cornwall, England, UK. September 2015.

Konrad Wothe / View up into canopy with sun rays shining through the leaves, lowland rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.

Chris & Monique Fallows / King penguin (Aptenodytes patagonicus) colony at sunrise. Grytviken, South Georgia Island.

Alex Hyde / Alpine meadow, Nordtirol, Austrian Alps, July 2014.

Floris van Breugel / Two Guanacos (Lama guanicoe) at edge of lake with Cuernos del Paine beyond. Torres del Paine National Park, Chile, June 2014.

Sandra Bartocha / Silver birch (Betula pendula) and Scots pine (Pinus sylvestris) trunks in snow, Muritz-National Park, Germany, January.

Olga Kamenskaya / Ice formations in snow on Lake Baikal, Siberia, Russia, March 2007.

Ben Cranke / Conifer tree bending over under weight of snow, Kuusamo, Finland. February 2011.

Michel Roggo / Brown bear (Ursus arctos beringianus) fishing for Sockeye salmon in the Ozernaya River, Kamtchatka, Russia, August

Floris van Breugel / Glass beach at sunset - a former dump site, in which the glass has now become pebbles of sea glass. MacKerricher State Park. California. USA. January 2013

Sven Zacek / Rays of sunshine behind pine trees, Southern Estonia, May early morning.

Laurent Geslin / Orthodox christian priest preparing for a christening at Lalibela, North Ethiopia, 2006

Gavin Hellier / Panoramic view of the foggy skyline of San Francisco at sunrise, California, USA 2011

Floris van Breugel / Tiny thimble jellyfish (Linuche unguiculata) drift with the current in the calm turquiose waters of a lagoon in Ofu, American Samoa. The window of sky is called Snell's Window, caused by refraction of...

Graham Eaton / A split-level image of a mountain stream, in autumn, with water droplets on lens, Nant Ffrancon Valley, Snowdonia NP, Gwynedd, Wales, UK, October

Andrew Parkinson / Arctic tern (Sterna paradisaea) adult hovering directly in front of the sun, defending nest from perceived threat, Farne Islands, UK. June

Bryan and Cherry Alexander / Gas flare at a Gazprom oil production facility near Noviy Urengoy. Yamal, Western Siberia, Russia.

Juan Carlos Munoz / Olive tree (Olea europaea) in Sierra de Cardena y Montoro Natural Park. Andalusia, Spain, Feb 2010

Neil Lucas / Panoramic view, Little Razorback Island, Dellbridge Islands, Antarctica, October 2008, Digitally stitched image

Alex Mustard / Male Great white shark (Carcharodon carcharias) with sunrays, Guadalupe Island, Mexico, Pacific Ocean.

Solvin Zankl / As soon as it entered the water the young Olive ridley sea turtle (Lepidochelys olivacea) struggles against the swell to swim away from the coast. The swimming frenzy lasts for approximately 48 hours...

Edwin Giesbers / Arctic tern (Sterna paradisaea) in flight, vocalising, aggresive behaviour, Farne Islands, Northumberland, UK, June

Michele Westmorland / Split level view of scuba diver with PR Aquanauts boat in Grenada, Caribbean. May 2009. Property released and diver model released.

Michel Roggo / Tench (Tinca tinca) on the surface of a turbid marsh pond, with Rudd (Scardinius erythrophthalmus) above, Fribourg, Switzerland, 2004

Neil Lucas / Sun shining through the branches of a Dragons blood tree (Dracena cinnibaris) in mountainous desert, Socotra, Yemen, February 2007

Neil Lucas / Sundog / Parhelion (circle of light around the sun) with large ice fumerole in the foreground, McMurdo Sound, Ross Sea, Antarctica, November 2008

Neil Lucas / Dragons blood trees (Dracena cinnibaris) and Desert rose (Adenium obesum socotranum) in Momi Valley, Socotra Island, Yemen, February 2008

Neil Lucas / Glacier rising up out of sea ice with ice crack visible, Ross Sea, Antarctica, November 2008

Jerry Monkman / Man bouldering in "The Boulders" section of Pawtuckaway State Park, New Hampshire, USA, September 2008. Model released.

Philip Stephen / "Beryl Bravo" oil platform blowing off gas, North Sea, March 2010.

Jeff Vanuga / Sunset over Brooks Mountain in the Shoshone National Forest, Wyoming, USA, December 2008

Chris Newbert / Papuan Jellyfish (Mastigias papua) 20 feet deep, Solomon Islands

Konrad Wothe / Pasque Flower (Pulsatilla sp) on hillside beneath shining sun, Barakchin Island, Lake Baikal, Russia

Gerry Ellis / Dromedary (Camelus dromedarius) trio, domestic camels with Bedouins at sunset, Oasis Dakhia, Great Sand Sea, Sahara Desert, Egypt

Gerry Ellis / Umbrella Thorn (Acacia tortilis) trees at sunrise on savannah, Masai Mara, Kenya

Birgitte Wilms / Golden Cownose Ray (Rhinoptera steindachneri) school, 20 feet deep, Galapagos Islands, Ecuador

Gerry Ellis / Baobab (Adansonia digitata) tree silhouetted at sunset, Tanzania

Thomas Mangelsen / Polar Bear (Ursus maritimus) walking on ice at sunset, Churchill, Manitoba, Canada

Konrad Wothe / Bacardi Beach, Cayo Levantado, Dominican Republic, Caribbean

Mike Parry / Great White Shark (Carcharodon carcharias) swimming through school of fish, Neptune Islands, Australia

Chris Newbert / Soft Coral (Dendronephthya sp) outcroppings and Basslet (Pseudanthias sp), Red Sea, Egypt

Chris Newbert / Bigeye Trevally (Caranx sexfasciatus) schooling, 30 feet deep, Solomon Islands

Chris Newbert / Papuan Jellyfish (Mastigias papua) 20 feet deep, Solomon Islands

Jim Brandenburg / Ice crystals, Lake Superior, Michigan

Norbert Wu / Scuba diver exploring ice caves below Weddell Seal (Leptonychotes weddellii) breathing holes, life below feeds on seal feces, Antarctica

Sumio Harada / Mountain Goat (Oreamnos americanus) looking down from rocky, steep mountain slope, Rocky Mountains, North America

Norbert Wu / California Sea Lion (Zalophus californianus) playing in shallow water, Channel Islands, California

Norbert Wu / Sunlight shafting through blue water, Pacific Ocean

Norbert Wu / Giant Kelp (Macrocystis pyrifera) forms dark, lush canopy forest in cold waters, southern California

Chris Newbert / Pickhandle Barracuda (Sphyraena jello) school, Solomon Islands

Chris Newbert / Green Sea Turtle (Chelonia mydas) swimming over coral reef, 40 feet deep, Red Sea, Egypt

Jim Brandenburg / Inuits dog sledding in midnight sun, Ellesmere Island, Nunavut, Canada

Flip Nicklin / Sperm Whale (Physeter macrocephalus) tail at sunset, New Zealand

Jim Brandenburg / Arctic Wolf (Canis lupus) trio at sunset, Ellesmere Island, Nunavut, Canada

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) group, Waikoloa Hyatt, Hawaii

Ashley Cooper / A mountain rescue member uses a flare to attract an approaching sea king helicopter to the casualty site on Fairfield, Lake District, England, UK.

Ashley Cooper / Members of Langdale Ambleside mountain rescue team attracting a helicopter to an injured walker on Bow Fell, Lake District, England, UK. July 2006

Ashley Cooper / Emmissions from the Corus steelworks at Redcar, UK, December 2005.

Ashley Cooper / The Ineos oil refinery at Grangemouth in the Firth of Forth, Scotland, UK. It is Scotlands only oil refinery

Ashley Cooper / Air pollution and emissions from Redcar steel works, Teeside, England, UK. March 2011.

Ashley Cooper / Air pollution and emissions from Redcar steel works, Teeside, England, UK. March 2011.

Ashley Cooper / Flaring off gas at the Flotta oil terminal on the Island of Flotta in the Orkney's Scotland, UK. October 2011.

Ashley Cooper / Flaring off gas at the Flotta oil terminal on the Island of Flotta in the Orkney's Scotland, UK. October 2011.

Ashley Cooper / The Ineos oil refinery at Grangemouth in the Firth of Forth, Scotland, UK. October 2010.

Ashley Cooper / The Ineos oil refinery at Grangemouth in the Firth of Forth, Scotland, UK. October 2010.

Ashley Cooper / Flaring off gas at The Ineos oil refinery at Grangemouth in the Firth of Forth, Scotland, UK. October 2010.

Ashley Cooper / Flaring off gas at The Ineos oil refinery at Grangemouth in the Firth of Forth, Scotland, UK. October 2010.

Ashley Cooper / Flaring off gas at a gas processing plant at Rampside near Barrow, Furness, Cumbria, England UK, that processes gas from the Morecambe Bay gas field, it is one of the largest gas plant in Europe

Sandra Bartocha / Sunlight shining in Spruce (Picae sp) forest, Hallefors, Sweden

Ingo Arndt / Fire set by farmer to kill migrating locusts (Locusta migratoria capito). Very often the fire gets out of control and destroys many hectares of grassland. Near Isalo National Park, Madagascar. August...

Ingo Arndt / Fire set by farmer to kill migrating locusts (Locusta migratoria capito). Very often the fire gets out of control and destroys many hectares of grassland. Near Isalo National Park, Madagascar. August...

Pal Hermansen / Artist Sunniva Munster checking stability of artwork 'Chair 1'. Valer, Ostfold County, Norway. July 2014.

Sandra Bartocha / European beech tree (Fagus sylvatica) forest, Pollino National Park, Italy. June 2009.

Nick Turner / Marsh marigold / King cup (Caltha palustris) flowering by a marshy stream on the Limestone Link trail, St.Catherine Valley, South Gloucestershire, UK. April 2015.

Sven Zacek / American mink (Mustela vison) on river ice, with Common frog (Rana temporaria), Tartumaa, Estonia, January. Introduced species.

Ole Jorgen Liodden / Sunny day at Lillehooksbreen glacier, with Svalbard, Norway, July.

Juan Carlos Munoz / Vineyard with wire and wooden frame, Vanrhynsdorp, Western Cape province, South Africa, September 2012.

Wild Wonders of Europe / Bartocha / Early Purple Orchid (Orchis mascula) on the Forca Canapine/Sibillini National Park, Italy, May.

Ben Cranke / Three Brothers River at sunrise, Mato Grosso, Pantanal, Brazil. August 2011.

Hougaard Malan / Sunset atop the Drakensberg escarpment. Elliot, Eastern Cape, South Africa. March 2010. Non-ex.

Bryan and Cherry Alexander / The winter sun setting behind a gas flare a drilling site near Sabetta, South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Bryan and Cherry Alexander / Two gas field workers standing near a flare at a drilling site in the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Bryan and Cherry Alexander / A gas field worker walking near a flare at a drilling site in the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Bryan and Cherry Alexander / A gas flare at a drilling site in the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Bryan and Cherry Alexander / A geologist stands in front of a gas flare at dusk, at a drilling site in the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Bryan and Cherry Alexander / The winter sun setting behind a gas flare at a drilling site in the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Bryan and Cherry Alexander / The winter sun setting behind a gas flare at a drilling site in the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

Will Bolton / 2020VISION / Lorry driving across a landfill site with a gas flare in the background, Pitsea, Essex, England, UK, November 2011.

Marten Dalfors / Lupins (Lupinus) in flower at sunset, Sweden

Alex Mustard / Yellow lipped sea snake (Laticauda colubrina) dives back down to the reef after surfacing for breath of air. Apo Island, Dumaguete, Negros, Philippines. Bohol Sea, Tropical West Pacific Ocean.

Will Burrard-Lucas / Fire in South Luangwa National Park, Zambia. August 2013.

Bert Willaert / Titicaca water / Lake Titicaca frog (Telmatobius culeus) swimming towards camera looking into the lens, Lake Titicaca, Bolivia, October, Critically endangered.

Chris & Monique Fallows / Great white shark (Carchardon carcharias) False Bay, South Africa