Jordi Chias / Leopard seal (Hydrurga leptonyx) resting over an iceberg, Antarctic Peninsula, Antarctica.

Franco Banfi / Diver exploring an iceberg in Greenland Sea. Tasiilaq, East Greenland. April 2018.

Niall Benvie / The Birnam Oak, an ancient English oak tree (Quercus robur) nearly 1000 years old, Perthshire, Scotland, UK, July.

Anup Shah / Southern plains grey langur / Hanuman langurs (Semnopithecus dussumieri) group of females feeding on potatoes left as an offering at a temple. Jodhpur, Rajasthan, India. March.

Christophe Courteau / Tourists and guide using snowshoes on an ecotourism trekking holiday, Svalbard, Norway, June, 2012. Model released.

Merryn Thomas / Man taking a photograph of Three Cliffs Bay, Gower, Swansea, Wales. January 2013. Model released.

Neil Aldridge / Portrait of an African wild dog (Lycaon pictus) wearing a radio collar in dense mopane bushveld, Venetia Limpopo Nature Reserve, Limpopo Province, South Africa, February 2010.

Pal Hermansen / Young wren (Troglodytes troglodytes) in an old abandoned car in a 'car graveyard' Bastnas, Sweden

Pål Hermansen,Pal Hermansen / Blue tit (Cyanistes caeruleus) with food in its beak at the entrance to its nest in the exhaust pipe of an old car, Bastnas, Sweden, June. Winner of the Fritz Polking Prize at the GDT competition 2013...

Graham Eaton / An underwater view of a woodland stream, River Glaslyn, Snowdonia NP, Gwynedd, Wales, UK, May

Juergen Freund / Silhouette of an outrigger dugout canoe seen from underwater. North Raja Ampat, West Papua, Indonesia, February

Anup Shah / Marabou storks (Leptoptilos crumeniferus) and White-backed vulture (Gyps africanus) feeding on the carcass of an elephant - wide angle perspective. Masai Mara National Reserve, Kenya. September

Juan Carlos Munoz / Trunk of an Italian stone pine tree (Pinus pinea) in Sierra de Andujar Natural Park. Andalusia, Spain, Feb 2010

Juan Carlos Munoz / Bark of an Italian stone pine (Pinus pinea) in Sierra de Andujar Natural Park. Andalusia, Spain, Feb 2010

Eric Baccega / View from deck of a cruise ship cruising along Baffin Island with an iceberg emerging out ot the mist, Nunavut, Canada, August 2010

Luiz Claudio Marigo / Brazil nut tree (Bertholletia excelsa) with an 8m circumference and 45m height, in the upland Amazon Rainforest at Cristalino Natural Private Patrimony Reserve, Alta Floresta, Mato Grosso State, Brazi...

Wild Wonders of Europe / della Ferrera / View up an Ash (Fraxinus sp) tree, in a forest, near Muilovcica village, Lonjsko Polje Nature Park, Sisack-Moslavina county, Slavonia region, Posavina area, Croatia, June 2009

Laurie Campbell / Looking up the trunk of an Aspen tree (Populus tremula) in autumn, Speyside, Scotland, UK, October

Claus Meyer / Visitors explore an expansive cavern with stalactites, Vale Do Peruacu, Minas Gerais, south Cerrado savannah, Brazil

Alex Mustard / Hard coral reef (Porites sp.) exposed by a low spring tide in front of an island. Yillet Island, Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean.

Robert Valentic / Montpellier snake (Malpolon monspessulanis insignitus) juvenile basking in the morning along an old wall in a field, Dadia Forest, Greece, August. Controlled conditions.

Laurie Hedges / Slow motion clip of an adult female Baird's tapir (Tapirus Bairdii) walking through a rainforest, stepping over a tree root, Corcovado National Park, Costa Rica.

Tony Wu / Aerial panorama of Fonua'one'one Island in the Vava'u island group of the Kingdom of Tonga, with a boat in the foreground for scale. From this perspective, it is clear that the island comprises only a...

Alex Mustard / Hard coral reef exposed by a low spring tide in front of an island. Yillet Island, Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean.

Alex Mustard / Red sea fan (Melithaea sp.) growing beneath an island (Nudi Rock), with sun rays and trees. Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific Ocean.

Duncan Murrell / Coral formations at low tide and Cook pine trees (Araucaria columnaris) on an island, Prony Bay, New Caledonia.

David Fleetham / Kapuaiwa Coconut Beach Park, an ancient Coconut (Cocos nucifera) grove. Kaunakakai, Molokai, Hawaii.

Naskrecki & Guyton / White-backed vultures (Gyps africanus) feed in a frenzy at a waterbuck carcass (Kobus ellipsiprymnus), Gorongosa National Park, Mozambique. Waterbuck are large animals with tough hides, and in Gorongo...

Ashley Cooper / Villagers in a remote subsistence farming village on an island in the Sunderbans, the Ganges Delta in Eastern India. December 2013.

Ashley Cooper / Thermometer at the Furnace Creek Visitor Centre in Death Valley. Death Valley is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does no...

Ashley Cooper / The Furnace Creek Visitor Centre in Death Valley. Death Valley is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any r...

Ashley Cooper / The Mesquite flat sand dunes in Death Valley. Death Valley is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain...

Ashley Cooper / Sign at 100 feet below sea level in Death Valley. Death Valley is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any r...

Ashley Cooper / Solar panels in Death Valley. Death Valley is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all. October...

Ashley Cooper / Solar panels at the Furnace Creek Visitor Centre in Death Valley. Death Valley is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does n...

Ashley Cooper / Solar panels amongst Badland scenery in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain...

Ashley Cooper / Asia's largest solar power station, the Gujarat Solar Park, Gujarat, India. It has an installed capacity of 1000 MW. December 2013

Ashley Cooper / Asia's largest solar popwer station, the Gujarat Solar Park, in Gujarat, India. It has an installed capacity of 1000 MW. Here workers wash dust off the panels to increase their efficiency. December 20...

Ashley Cooper / Asia's largest solar popwer station, the Gujarat Solar Park, in Gujarat, India. It has an installed capacity of 1000 MW. Here workers wash dust off the panels to increase their efficiency. December 20...

Ashley Cooper / Asia's largest solar power station, the Gujarat Solar Park, in Gujarat, India. It has an installed capacity of 1000 MW. Here workers wash dust off the panels to increase their efficiency. December 201...

Ashley Cooper / Asia's largest solar popwer station, the Gujarat Solar Park, in Gujarat, India. It has an installed capacity of 1000 MW. December 2013

Ashley Cooper / Houses in Almere with solar PV panels on the roof. It is the Netherlands youngest town, in Flevoland, which was reclaimed from the sea. This planned city is very green, with space heating provided fro...

Ashley Cooper / Storm waves from an extreme low pressure system batter Whitehaven harbour, Cumbria, UK, December 2014.

Ashley Cooper / Storm waves from an extreme low pressure system batter Whitehaven harbour, Cumbria, UK, December 2014.

Ashley Cooper / Storm waves from an extreme low pressure system batter Whitehaven harbour, Cumbria, UK, December 2014.

Ashley Cooper / Storm waves from an extreme low pressure system batter Whitehaven harbour, Cumbria, UK, December 2014.

Ashley Cooper / Storm waves from an extreme low pressure system batter Whitehaven harbour, Cumbria, UK, December 2014.

Ashley Cooper / Storm waves from an extreme low pressure system batter Whitehaven harbour, Cumbria, UK, December 2014.

Ashley Cooper / Storm waves from an extreme low pressure system batter Whitehaven harbour, Cumbria, UK, December 2014.

Ashley Cooper / Low grade coal from an open cast coal mine near Heihe, Northern China, March 2009.

Ashley Cooper / Trucks hauling low grade coal from an open cast coal mine near Heihe, Heilongjiang province, China, March 2009. In 2008 china became the worlds largest emitter of greenhouse gases.

Ashley Cooper / Forge Lane bridge, an ancient stone bridge, severely damaged by the River Greta in flood. Taken during the aftermath of Storm Desmond, Cumbria, England, UK, January 2016.

Ashley Cooper / Village woman putting rice crop into container in a remote subsistence farming village on an island in the Sunderbans, the Ganges Delta, Eastern India. December 2013.

David Fleetham / Diver above an opening in a school of Brown striped snapper (Xenocys jessiae). Galapagos Islands, Ecuador.

Michel Roggo / Blue Lake, lake in an extinct volcanic maar (a broad, low-relief volcanic crater) Mount Gambier, South Australia, Australia, March 2015 . Photographed for The Freshwater Project

Jack Dykinga / People watching the sunset behind sea stacks, Second Beach, Olympic Peninsula, Olympic National Park, Washington, USA. June 2017.

Nick Hawkins / Fiery throated hummingbird (Panterpe insignis) an endemic bird species. Talamanca Range, Talamanca Range-La Amistad Reserves / La Amistad National Park UNESCO Natural World Heritage Site, Costa Rica.

Philippe Clement / Tilt shot up to foliage of an Pedunculate oak tree (Quercus robur), showing leaves in autumn colours, October, Belgium.

Steve Downer / Sunset over Jeffrey's Swag, an area of Chasewater Reservoir, Cannock, Staffordshire, England, UK, March 2016.

Alex Hyde / Wildlife photographer taking picture of Apollo butterfly (Parnassius apollo) Nordtirol, Austrian Alps, July.

SCOTLAND: The Big Picture / An inversion over Rannoch Moor spilling into Glen Coe. Buachaille Etive mor and Buachaille Etive Beag visible through sea of cloud, Lochaber, Scotland, UK, September 2016.

Nick Upton / Close up of Coralline crust (Lithophyllum tortuosum) an encrusting coralline red algae growing on intertidal rocks exposed at low tide, Asturias, Spain, August.

Nature Picture Library / Canned whale meat for sale at a souvenir shop for tourists in Japan. The label states that the contents are from an unspecified baleen whale. The sales sign states that whale meat is a food that is go...

David Pattyn / Alpine ibex (Capra ibex) close-up crop head portrait of an adult male, Gran Paradiso National Park, the Alps, Italy. January

Cyril Ruoso / Male Gambel's quail (Callipepla gambelii) perched on top of an Elephant cactus (Pachycereus pringlei) Vizcaino Desert, Baja California, Mexico, May.

Cyril Ruoso / Himalayan Balsam (Impatiens glandulifera) an introduced species, Burgundy, France August

Cyril Ruoso / Himalayan Balsam (Impatiens glandulifera) an introduced species, Burgundy, France August

Alex Hyde / Photographer focusing on a Trumpet / Stemless Gentian (Gentiana acaulis) Nordtirol, Austrian Alps. June.

Alex Hyde / Photographer focusing on a Trumpet / Stemless Gentian (Gentiana acaulis) Nordtirol, Austrian Alps. June.

Andres M. Dominguez / Fly caught on Portugese sundew (Drosophyllum lusitanicum) an insectivorous plant, Los Alcornocales Natural Park, southern Spain, November.

Sven Zacek / Female Goldeneye (Bucephala clangula) looking out of its nest (an old woodpecker nest) in a dead pine tree, Southern Estonia, April.

Alex Mustard / Diver swimming through Tolberone Tunnel, a triangular tunnel through the middle of an island in Raja Ampat. Giant barrel sponges (Xestospongia muta) growing on the floor of the tunnel, which have an u...

Nick Upton / Yellow corydalis / Yellow fumitory (Pseudofumaria lutea / Corydalis lutea), an Alpine species naturalised in the UK, flowering on a wall, Lacock, Wiltshire, UK, May.

Nick Upton / Yellow corydalis / Yellow fumitory (Pseudofumaria lutea / Corydalis lutea), an Alpine species naturalised in the UK, flowering on a wall, Lacock, Wiltshire, UK, May.

Nick Upton / Linda Rennie holding an adult Harvest mouse (Micromys minutus), one of a population being reared in captivity ahead of a reintroduction, Lifton, Devon, UK, May. Model released.

Cheryl-Samantha Owen / An elderly woman harvesting Coffee (Coffea arabica) cherries on a commercial coffee farm, Tanzania, East Africa. November 2012.

Cheryl-Samantha Owen / Bluegill sunfish (Lepomis macrochirus), an alien species, removed from the Oorlogskloof River during the Northern Cape Department of Environmental Affairs (DENC) freshwater fish survey. Oorlogskloof N...

Nick Upton / Low wide angle close up of an adult male Great Bustard (Otis tarda) calling, with another flying in the background. Part of reintroduction project of birds from Russia. Salisbury Plain, Wiltshire, UK,...

Pascal Kobeh / Underwater cameraman is filming Kelp forest (Macrocystis pyrifera), California, USA. Pacific ocean. November 2006.

Pascal Kobeh / Underwater cameraman is filming a Kelp forest (Macrocystis pyrifera), California, USA. Pacific ocean. November 2006.

Sam Hobson / Northern goshawk (Accipiter gentilis) nestling with full crop, handled by Dr. Norbert Kenntner, part of an urban goshawk colour ringing study. Berlin, Germany. June 2014.

Sam Hobson / Dr. Norbert Kenntner climbing a tree to reach a goshawk (Accipiter gentilis) nest in an urban cemetery. Berlin, Germany. May 2014.

Sam Hobson / Northern goshawk (Accipiter gentilis) nestling being ringed by Dr. Beate Ludescher, part of an urban goshawk colour ringing study. Berlin, Germany. May 2014.

Kim Taylor / Observing bees at the Bee World, Bishop's Meadow, Farnham. Surrey, England, UK, July 2014. Digital composite. Model released. Bee Worlds is an initiative of Friends of the Earth.

Will Burrard-Lucas / Lions (Panthera leo) feeding on an impala, taken with remote camera, South Luangwa National Park, Zambia.

Nick Upton / Low angle view of an Early purple orchid (Orchis mascula), white form, flowering on a south facing chalk grassland hillside Wiltshire, UK, May.

LYNN M. STONE / White Ibis (Eudocimus albus) in breeding plumage, capturing an eel-like fish in shallows of Tampa Bay at low tide, St. Petersburg, Florida, USA

Alex Mustard / Diver (Steve Braodbelt) prepares to spear Male lionfish (Pterois volitans). Indo-Pacific lionfish are an invasive species on Caribbean reefs and are hunted under license to keep their population and t...

Alex Mustard / Diver with a speared lionfish (Pterois volitans). Indo-Pacific lionfish are an invasive species on Caribbean reefs and are hunted under license to keep their population and therefore predation level l...

Martin Willis / Red-tailed Black-Cockatoo (Calyptorhynchus banksii) perched in an Indian Almond (terminalia catappa) tree, Townsville, Queensland, Australia

Cyril Ruoso / Orangutan (Pongo pygmaeus) abstract of an adult in a tree, Kalimantan, Indonesia

Sven Zacek / Chicken in the woods fungus (Laetiporus sulphureus) growing on an old tree trunk. Southern Estonia, August.

Bertie Gregory / 2020VISION / Adult female Peregrine falcon (Falco peregrinus) taking flight from the roof an office block, Bristol, England, UK, May. Did you know? Peregrine falcons have specially adapted nostrils to prevent the...

Christophe Courteau / Acacia Rat (Thallomys paedulcus) in an acacia tree, Okvango Delta, Botswana

Donald M. Jones / Roseate Spoonbill (Platalea ajaja) flying, Sian Ka'an Biosphere Reserve, Mexico

Donald M. Jones / Reddish Egret (Egretta rufescens) white morph flying, Sian Ka'an Biosphere Reserve, Mexico