Jami Tarris / Polar Bear (Ursus maritimus) on shore, Spitsbergen, Svalbard, Norway

Martin Willis / Mangroves along coast and boat, Deluge Inlet, Hinchinbrook Island National Park, Queensland, Australia

Gary Bell/ Oceanwide / Surfer, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Lichen (Caloplaca sp) covered coastal rock, Flinders Island, Tasmania, Australia

Gary Bell/ Oceanwide / Coastal rock arch at sunset, Bermagui, New South Wales, Australia

Gary Bell/ Oceanwide / Cave along coast, Loch Ard Gorge, Port Campbell National Park, Victoria, Australia

Gary Bell/ Oceanwide / Granite rocks with lichen and Milky Way, Bicheno, Tasmania, Australia

Gary Bell/ Oceanwide / Coast, Red Rock Beach, Phillip Island, Victoria, Australia

Gary Bell/ Oceanwide / Tropical beach, Keeling Islands, Australia

Gary Bell/ Oceanwide / Tropical island, Keeling Islands, Australia

Gary Bell/ Oceanwide / Tropical island, Keeling Islands, Australia

Gary Bell/ Oceanwide / Coconut Palm (Cocos nucifera) fruit germinating on tropical beach, Keeling Islands, Australia

Shane P. White / Leatherback Sea Turtle (Dermochelys coriacea) female returning to sea after egg laying, Trinidad and Tobago, Caribbean

Shane P. White / Winnifred Beach, Jamaica

Tim Fitzharris / Rock arch, Atuh Beach, Nusa Penida, Bali, Indonesia

Shane P. White / Coconut Palm (Cocos nucifera) tree on beach, Port Olry, Espiritu Santo, Vanuatu

Shane P. White / Coconut Palm (Cocos nucifera) tree on coast, Aimbuei Bay, Aore Island, Vanuatu

Shane P. White / Coconut Palm (Cocos nucifera) tree on coast, Aimbuei Bay, Aore Island, Vanuatu

Shane P. White / Alexandrian Laurel (Calophyllum inophyllum) tree on coast, Aimbuei Bay, Aore Island, Vanuatu

Guy Edwardes / Roker Pier, Sunderland, Tyne & Wear, England, UK, May 2016.

Guy Edwardes / Calm sea with St Mary's Lighthouse in distance, Whitley Bay, Tyne and Wear, England, UK, February 2008.

Guy Edwardes / Gatklettur, Arnarstapi, Snaefellsnes Peninsula, Iceland, March 2017.

Guy Edwardes / Ice on Diamond Beach, Jokulsarlon, Iceland, September 2017.

Guy Edwardes / Luskentyre beach with three people wading in water, Isle of Harris, Outer Hebrides, Scotland, UK. June 2012.

Andrew Peacock / Taiga and coastal snow-covered mountains in autumn, Glacier Bay National Park, Alaska

Yva Momatiuk & John Eastcott / Rocky coastline, Hvalfjordur Fjord, Iceland

Alan Murphy/ BIA / Bald Eagle (Haliaeetus leucocephalus) hunting, Alaska

Claudio Contreras / Prickly pear (Opuntia sp.) growing on coastline, Socorro Island, Revillagigedo Archipelago National Park (Socorro Islands), Pacific Ocean, Western Mexico, November, Honorary Mention in the third natio...

Tui De Roy / Magellanic Penguin (Spheniscus magellanicus) parents and chicks along coast, Saunders Island, Falkland Islands

Tui De Roy / Magellanic Penguin (Spheniscus magellanicus) parent with chicks along coast, Saunders Island, Falkland Islands

Tui De Roy / Nazca Booby (Sula granti) group on coast, Punta Suarez, Espanola Island, Galapagos Islands, Ecuador

Tui De Roy / Nazca Booby (Sula granti) group on coast, Wolf Island, Galapagos Islands, Ecuador

Tui De Roy / Nazca Booby (Sula granti) group on coast, Wolf Island, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) group basking on coast, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Tim Fitzharris / Paintbrush (Castilleja sp) and Seaside Fleabane (Erigeron glaucus) flowering on coast, Garrapata State Beach, Big Sur, California

Benjamin Olson / Skim ice in negative thirty degree fahrenheit at sunrise, Lake Superior, Grand Portage National Monument, Minnesota

Tim Fitzharris / Arch on beach, El Matador State Beach, California

Jim Brandenburg / Shoreline, Discovery Lake, Boundary Waters Canoe Area Wilderness, Minnesota

Pete Oxford / Coastal wetland, Abari Swamps, Guyana

Matthias Breiter / Snow Goose (Chen caerulescens) flock flying over coastal flats, Hudson Bay, Manitoba, Canada

Matthias Breiter / Snow Goose (Chen caerulescens) flock at coastal flats, Hudson Bay, Manitoba, Canada

Matthias Breiter / Bald Eagle (Haliaeetus leucocephalus) on iceberg, LeConte Bay, Tongass National Forest, Alaska

Matthias Breiter / Polar Bear (Ursus maritimus) mother with cubs on coast, Barter Island, Alaska

Matthias Breiter / Aurora borealis above coast, Hudson Bay, Manitoba, Canada

Matthias Breiter / Polar Bear (Ursus maritimus) female on coast, Lady Franklin Island, Nunavut, Canada

Colin Monteath/ Hedgehog House / Coastal peaks, Lemaire Island, Paradise Bay, Antarctic Peninsula, Antarctica

Colin Monteath/ Hedgehog House / Kayakers paddling back to cruise ship Polar Pioneer, Lemaire Channel, Antarctic Peninsula, Antarctica

Juan Carlos Munoz / Aerial view of waterfall on the coastline of Corcovado National Park, Osa Peninsula, Puntarenas Province, Costa Rica. December 2014.

Sean Crane / Bat Star (Asterina miniata) trio at low tide, Montana De Oro State Park, Los Osos, California

Sean Crane / Horseshoe Crab (Limulus polyphemus) group spawning at high tide at sunset, Cape May, New Jersey

Sean Crane / Horseshoe Crab (Limulus polyphemus) group spawning at high tide at sunset, Cape May, New Jersey

Kevin Schafer / Rainbow over cliffs, Kalalau Valley, Na Pali Coast State Park, Kauai, Hawaii

Colin Monteath / Coastal cliffs, Tunnel Beach, Otago Peninsula, Otago, New Zealand

Colin Monteath / Mount Cook reflection in ice covered Mueller Lake, Mount Cook National Park, Canterbury, New Zealand

Cheryl-Samantha Owen / Johnstone strait coastline, East coast, Vancouver Island, British Columbia, Canada, July 2012.

Cheryl-Samantha Owen / Mountains silhouetted in fog, Knight Inlet, East Coast, Vancouver Island, British Columbia, Canada, July.

Chris & Monique Fallows / Orca (Orcinus orca) pod hunting common dolphin (Delphinus delphis) False Bay, South Africa.

Markus Varesvuo / Male King eider (Somateria spectabilis) in flight over water, Batsfjord, Norway, March.

Markus Varesvuo / Large flock of Guillemots (Uria aalge) flying, Vardo, Norway, March.

Ben Cranke / Gentoo Penguins (Pygoscelis papua) jumping across rocky shore, Cuverville Island, Antarctic Peninsula, Antarctica

Sergey Gorshkov / Polar Bear (Ursus maritimus) group scavenging on Pacific Walrus (Odobenus rosmarus divergens) carcass, Wrangel Island, Russia

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) group gulp feeding, Auke Bay, Juneau, Alaska

Roland Seitre / Olive Ridley Sea Turtle (Lepidochelys olivacea) females coming ashore to lay eggs during an arribada nesting event, Ostional Beach, Costa Rica

Ingo Arndt / Olive Ridley Sea Turtle (Lepidochelys olivacea) hatchlings emerging from the nest and making their way to the sea at sunrise, Ostional Beach, Costa Rica

Tim Fitzharris / Ruby Beach, Olympic National Park, Washington

Staffan Widstrand / Lichen (Xanthoria sp) growing on rocks by coastline, Svalbard, Norway

David Noton / The white cliffs at Studland, Isle of Purbeck, Jurassic Coast, Dorset, England, UK. November 2011

David Noton / Hottentot fig (Carpobrotus edulis) on the cliff at Lizard Point, the most southerly point in mainland Britain, Cornwall, England, UK. November 2011.

Juan Carlos Munoz / Aerial view of the 'Long Wall', sand dunes along the Atlantic coast of the Namib desert, Swakopmund, Namibia, August 2008

Terry Whittaker / 2020VISION / Remnant saltmarsh and coastal realignment at Abbotts Hall Farm, Essex, UK, March 2012. Did you know? 24% of the English coastline is saltmarsh.

Ross Hoddinott / Scenic view of coastline and geology, Dunraven Bay, Glamorgan Heritage Coast, Wales, UK, December 2012.

Ross Hoddinott / Hartland Quay, rugged north Devon coastline, high tide at sunset, Devon, UK, April 2012.

Andy Rouse / Landscape of Seven Islands and arctic coastline. Svalbard, Norway, May 2010.

Matthew Maran / Chinook Salmon (Oncorhynchus tshawytscha) leaping through water surface in front of forested coastline. Vancouver Island, British Columbia, Canada, September.

Ernie Janes / Coastline with pier and groynes from Overstrand to Cromer with storm clouds overhead, Norfolk, UK, July 201

Ernie Janes / Three fishing boats wrecked on the coast in winter storms, Pembrokeshire, UK,

Ernie Janes / Storm clouds building up off coasts of Norfolk, Weybourne Cliffs, Norfolk, UK, November

Mark Hamblin / 2020VISION / Waves crashing over rocks, coastline near Point of Stoer, Assynt, Sutherland, NW Scotland, UK, October. Did you know? The Coigach & Assynt Living Landscape Project in north-west Scvotland covers over...

Mark Hamblin / 2020VISION / Waves crashing over rocks, coastline near Point of Stoer, Assynt, Sutherland, NW Scotland, UK, October. Did you know? 20 million people visit UK coastlines each year.

Erlend Haarberg / Red Knots (Calidris canutus) on migration rest on coastal rocks as waves wash across the coastline. The Snfellsnes peninsula, Iceland, May. Wildlife Photographer of the Year competition 2011, runner-...

Orsolya Haarberg / Red Knots (Calidris canutus) during migration rest on coastal rocks as waves wash across the coastline. The Snæfellsnes peninsula, Iceland, May. Highly commended in the Birds category of the GDT 2011...

Inaki Relanzon / Cliffs and sea-stacks on the coast of "El Hierro" Island. Canary Islands, February 2011.

Inaki Relanzon / Dramatic light on Benijo Beach. Anaga Peninsula, Tenerife, Canary Islands, February 2011.

Matthew Maran / Driftwood on a beach with the coastline stretching to the horizon. Wickaninnish Beach, Pacific Rim National Park Reserve, West coast of Vancouver Island, Canada, September 2010.

Brent Stephenson / The fallen Moai at Ahu Hanga Tetenga with the coastline in the background. Hanga Tetenga, Easter Island, October 2009.

Danny Green / 2020VISION / Grey seals (Halichoerus grypus) two adults fighting in the surf, Donna Nook, Lincolnshire, England, UK, October. Photographer quote: "Sex and violence – grey seals are good at both! These two adolesce...

Colin Monteath / Pine tree (Pinus sp), Decanter Bay, Canterbury, New Zealand

Pete Oxford / Beach trash, Sian Ka'an Biosphere Reserve, Quintana Roo, Mexico

Tim Laman / Marine Iguanas (Amblyrhynchus cristatus) on the south coast of Espanola Island, Galapagos, Vulnerable species

Pete Oxford / Beach trash, Sian Ka'an Biosphere Reserve, Quintana Roo, Mexico

Robert Thompson / Aerial view of cliffs at Bunglass bay, Slieve League, west of Kilcar and Killybegs, County Donegal, Republic of Ireland, January 2009

Robert Thompson / Aerial view of Portbraddan and Whitepark Bay, north coast, County Antrim, Northern Ireland, UK, September 2009

Edwin Giesbers / Two Long-tailed / Crab-eating macaques (Macaca fascicularis) foraging on coastline at low tide, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Four Long-tailed / Crab-eating macaques (Macaca fascicularis) foraging on coastline in shallow water with waves, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Long-tailed / Crab-eating macaque (Macaca fascicularis) foraging on coastline, Bako National Park, Sarawak, Borneo, Malaysia

Edwin Giesbers / Two Long-tailed / Crab-eating macaques (Macaca fascicularis) foraging along coastline in shallow water, Bako National Park, Sarawak, Borneo, Malaysia