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

Espen Bergersen / Humpback whale (Megaptera novaeangliae) feeding around herring fishing vessel. Kvanangen, Troms, Norway. November

Yva Momatiuk & John Eastcott / Canoe on river in summer, Hudson River, Hudson Gorge Wilderness, New York

Ingo Arndt / Fisheries Protection Vessel (Pharos) arrived at King Edward Point with King penguins on shoreline, South Georgia Heritage Trust Rat Eradication Project, South Georgia, February 2011

Matthias Breiter / Ferry moving between icebergs, Ilulissat, Greenland

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

Suzi Eszterhas / Sea Otter (Enhydra lutris) raft, Monterey Bay, California, digitally manipulated

Anup Shah / Lioness (Panthera leo) with cub aged 2-3 months portrait. Masai Mara National Reserve, Kenya, August

Michael Pitts / Diver on the wreck of the US Submarine tender USS Macaw, sunk in the World War II due to a navigation error, Midway atoll, Pacific Ocean. Model released.

Philip Stephen / Fishing vessel 'Harvester' winching her catch onboard amid a group of hungry seabirds. North Sea, Europe, December 2011. Property released.

Chris Gomersall / 2020VISION / Passengers on observation deck of Sea Life Surveys vessel Sula Beag watching a Bottlenose dolphin (Tursiops truncatus) bow riding in the Sound of Mull, Inner Hebrides, Scotland, UK, July 2011. 2020VIS...

Juergen Freund / Dock worker carrying tuna from a fishing vessel to the fish landing and processing area, Sarangani, Philippines, April 2010.

Philip Stephen / Fishing vessel "Harvester" powering through huge waves while operating in the North Sea. Europe, January 2009. Property released.

Philip Stephen / Fishing vessel "Ocean Pioneer" nearing Fraserburgh Harbour, with waves crashing against the harbour wall. Scotland, February 2011.

Philip Stephen / Fishing vessel "Harvester" surrounded by Northern gannets (Morus bassanus) whilst hauling the trawl net onboard. North Sea, Europe, February 2011. Property released.

Winfried Wisniewski / African Elephant (Loxodonta africana) and tourist boat, Chobe River, Chobe National Park, Botswana

Philip Stephen / Fishing vessel "Harvester" heading to North Sea fishing grounds in stormy weather. Europe, November 2010. Property released.

Philip Stephen / Huge wave enveloping fishing vessel "Harvester" while operating in the North Sea. Europe, November 2010. Property released.

Philip Stephen / Fishing vessel "Harvester" on a stormy North Sea. Europe, November 2010. Property released.

Philip Stephen / Fishing vessel "Ocean Harvest" in huge waves on the North Sea, September 2010. Property released.

Philip Stephen / Fishing vessel "Harvester" and the "Jotun B" oil production platform. North Sea, May 2010.

Philip Stephen / Fishing vessel "Harvester" and the "Jotun B" oil production platform. North Sea, May 2010.

Philip Stephen / Fishing vessel "Ocean Harvest" on the North Sea, May 2010. Property released.

Philip Stephen / Fishing vessel "Ocean Harvest" on the North Sea, May 2010. Property released.

Philip Stephen / Fishing vessel "Harvester" hauling fishing gear in the dark, May 2010. Property released.

Philip Stephen / Fishing vessel "Harvester" taking a good haul of Saithe (Pollachius virens) aboard, at night on the North Sea, 60 miles North East of the Shetlands. February 2010, Property released.

Philip Stephen / Fishing vessel "Ocean Harvest" operating close to the "Beryl Alpha" production platform, 160 miles Northeast of Aberdeen, in the North Sea. March 2010.

Philip Stephen / Gull flying over fishing vessel "Harvester" in heavy seas, North Sea, February 2010. Property released.

Philip Stephen / Fishing vessel "Harvester" trawling at twilight on the North Sea. February 2010, Property released.

Richard Herrmann / Research submersible submerging to explore hot vents, Danzante Island, Baja California, Mexico

Flip Nicklin / Blue Whale (Balaenoptera musculus) fatally injured in collision with ship and subsequently found by research vessel, Santa Barbara Channel, California

Juergen Freund / Scientists on the Undersea Explorer research vessel testing a coconut rattle to attract sharks. Queensland, Australia. John Rumney.

Juergen Freund / Large 2-cone plankton net behind research vessel (researchers from Central Queensland University, Rockhampton). Queensland, Australia

Pete Oxford / Dugout canoe in blackwater stream, Yasuni National Park Biosphere Reserve, Amazon rainforest, Ecuador

Mark Moffett / Meg Lowman strides across a canopy raft to collect insect samples with her net as Bruce Rinker inspects the previous catch, Cameroon

Tui De Roy / Glacier with tourist expedition in inflatable zodiac, southern Greenland Fjords, Greenland

Yva Momatiuk & John Eastcott / Red rubber boat with two expedition members circle floating iceberg, summer season, Labrador Sea, Labrador, Canada

Gerry Ellis / Hurricane Bay, Virgin Islands National Park, Saint John Island, Virgin Islands, Caribbean

Colin Monteath / Humpback Whale (Megaptera novaeangliae) observed by tourists in a zodiac boat near Melchoir Island, Antarctic Peninsula, Antarctica

Konrad Wothe / Tourists on Russian icebreaker breaking through pack ice, Antarctica

Norbert Wu / The Blue Hole, largest underwater sinkhole and popular diving site, Lighthouse Reef, Belize

Norbert Wu / West Indian Manatee (Trichechus manatus), Crystal River, Florida

Jim Brandenburg / Canoe bow with autumn trees, Discovery Lake, Superior National Forest, Minnesota

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) friendly singer approaches research boat, joiner in background, Maui, Hawaii - notice must accompany publication; photo obtained under NMFS permit 987

Flip Nicklin / Orca (Orcinus orca) leaping, watched by tourists from Stubbs Island charter boat, Johnstone Strait, northeast Vancouver Island, Canada

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) tails and sailboat with whale watching tour, Hawaii

Mitsuaki Iwago / Cruise ship in storm, Antarctica

Flip Nicklin / Blue Whale (Balaenoptera musculus) with researcher Bruce Mate on boat attempting to attach satellite tag, Santa Barbara, California

Flip Nicklin / Blue Whale (Balaenoptera musculus) with researcher Bruce Mate on boat attempting to attach satellite tag, Santa Barbara, California

Flip Nicklin / Blue Whale (Balaenoptera musculus) with researcher Bruce Mate attempting to attach satellite tag, Santa Barbara, California

Norbert Wu / Coast guard icebreaker travels through ice floes which have broker off sea ice edge in late summer, McMurdo Sound, Antarctica

Flip Nicklin / Gray Whale (Eschrichtius robustus) touched by tourists, San Ignacio Lagoon, Baja California, Mexico

Norbert Wu / Perry submersible used to bring tourists to deep sea, 1,000 meters depth, Grand Cayman, Caribbean

Tui De Roy / Emperor Penguin (Aptenodytes forsteri) trio observing Russian icebreaker parked in fast ice, Princess Martha Coast, Weddell Sea, Antarctica

Tui De Roy / Tourists cruising Beagle Channel beneath Romanche Glacier, Patagonia, Chile

Flip Nicklin / Bowhead Whale (Balaena mysticetus) noses the kayak of biologist Kerry Finley, Isabella Bay, Baffin Island, Canada

Flip Nicklin / Southern Right Whale (Eubalaena australis) researchers Roger Payne, right, Jim Darling, left, and Gustavo Alvarez Colombo, center, watching individual dive, Peninsula Valdez, Argentina

Flip Nicklin / Blue Whale (Balaenoptera musculus) and researchers, Sea of Cortez, Mexico

Flip Nicklin / Blue Whale (Balaenoptera musculus) researcher Bruce Mate attempting to satellite tag whale, California

Jim Brandenburg / Sailboats floating during high tide, Wales, United Kingdom

Jim Brandenburg / Boats stranded at low tide, Wales, United Kingdom

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax) near sailboat, Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax) near whale watching boat, Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pair gulp feeding on Northern Anchovy (Engraulis mordax) near sailboat, Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax) near tourists, Monterey Bay, California

Martin Willis / Boat near sand island, Sudbury Cay, Great Barrier Reef, Queensland, Australia

Martin Willis / Boat near sand island, Beaver Cay, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Coast at sunset, St Kilda Harbor, Port Phillip Bay, Mornington Peninsula, Victoria, Australia

Ralph Pace / Tourists and calving glacier, South Sawyer Glacier, Alaska

Jeff Foott / Kayakers and eroded lakeshore, Apostle Islands National Lakeshore, Lake Superior, Wisconsin

Chase Dekker / Blue Whale (Balaenoptera musculus) pair and whale watching boat, Monterey Bay, California

Chase Dekker / Sea Otter (Enhydra lutris) group and kayakers, Moss Landing, California

Chase Dekker / Orca (Orcinus orca) breaching near sailboat, San Juan Islands, Washington

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding near sailboat, Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) tail lobbing near sailboat, Monterey Bay, California

Juan Carlos Munoz / Unloading a fishing vessel in Santona harbour, Noja y Joyel Natural Park, Cantabria, Spain, Europe

Ashley Cooper / The Ormonde Offshore Wind Farm during construction. Barrow-In-Furness, Cumbria, England, UK. September 2011

Ashley Cooper / Doug Parr, chief scientist for Greenpeace UK, at Gunfleet Sands offshore wind farm which is owned and operated by Dong energy. Brightling Sea, Essex, UK. September 2015

Ashley Cooper / Oil pollution in Lyme Regis harbour, probably from a fishing vessel, Dorset, UK. June 2012

Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013

Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013

Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013

Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013

Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013

Ashley Cooper / Passengers disembark Zodiaks onto the Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard in front of a glacier. July 2013

Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard. July 2013

Ashley Cooper / Passengers on Zodiaks off the Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard in front of the Aalkefjellet, sea bird nesting clif...

Ashley Cooper / Passengers on Zodiaks off the Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard in front of the Aalkefjellet, sea bird nesting clif...

Ashley Cooper / Passengers on Zodiaks off the Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July.

Ashley Cooper / Argentinian Naval vessels in the town of Ushuaia, Tierra del Fuego, Argentina. February 2014.

Ashley Cooper / Exhaust emissions, the result of burning marine diesel in a ships engine. Marine diesel is one of the most polluting fuels in the world.

Ashley Cooper / Dairy cow with a full udder

Ashley Cooper / Exhaust emissions, the result of burning marine diesel in a ships engine. Marine diesel is one of the most polluting fuels in the world.

Shane P. White / Boat near tropical island, Coron Island, Philippines

Shane P. White / Tourists on boat in tropics, Cadlao Island, Philippines

David Fleetham / Bugis schooner, live-aboard dive vessel, at anchor in a limestone island lagoon, Uranie Island, Raja Ampat, West Papua, Indonesia.