Suzi Eszterhas / African Elephant (Loxodonta africana) in defensive posture towards safari vehicle, Sabi Sands Private Game Reserve, South Africa

Yva Momatiuk & John Eastcott / Ice climber scaling Skaftafellsjokull Glacier, Skaftafell National Park, Iceland

Yva Momatiuk & John Eastcott / Ice climbers atop Skaftafellsjokull Glacier, Skaftafell National Park, Iceland

Yva Momatiuk & John Eastcott / Ice climber scaling Skaftafellsjokull Glacier, Skaftafell National Park, Iceland

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

Pete Oxford / Yellow-tailed Surgeonfish (Prionurus laticlavius) school and snorkeler, Galapagos Islands, Ecuador

Pete Oxford / Yellow-tailed Surgeonfish (Prionurus laticlavius) school and snorkelers, Galapagos Islands, Ecuador

Pete Oxford / Red-footed Booby (Sula sula) flying juvenile being photographed by tourist, Genovesa Island, Galapagos Islands, Ecuador

Pete Oxford / Galapagos Sea Lion (Zalophus wollebaeki) pup and tourist, Galapagos Islands, Ecuador

Pete Oxford / Pacific Green Sea Turtle (Chelonia mydas agassizi) and snorkeler, Galapagos Islands, Ecuador

Pete Oxford / Marine Iguana (Amblyrhynchus cristatus) group photographed by tourist, Fernandina Island, Galapagos Islands, Ecuador

Thomas Marent / African Elephant (Loxodonta africana) crossing dirt road near tourists, Serengeti National Park, Tanzania

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

Staffan Widstrand / Kayaking past icebergs in Svalbard, Norway, July 2011. Model released.

Mark Carwardine / Whale shark (Rhincodon typus) aerial view of juvenile with two people swimming alongside, La Paz Bay, Sea of Cortez (Gulf of California), Baja California, Mexico, March 2009

Mark Carwardine / Hands of a tourist leaning from boat to touch the mouth of a friendly Grey whale (Eschrichtius robustus) lying on the surface, San Ignacio Lagoon, Baja California, Mexico, April 2009

Mark Carwardine / Split-level of tourist in small boat leaning out to touch a Grey whale (Eschrichtius robustus) San Ignacio Lagoon, Baja California, Mexico, April 2009

Mark Carwardine / Tourists watching Grey whale (Eschrichtius robustus) spyhopping, San Ignacio Lagoon, Baja California, Mexico, February 2010

Mark Carwardine / Whale shark (Rhincodon typus) aerial view of juvenile with two people swimming alongside, La Paz Bay, Sea of Cortez (Gulf of California), Baja California, Mexico, March 2009

Mark Carwardine / Tourists in small boat leaning out to touch a curious Grey whale (Eschrichtius robustus) San Ignacio Lagoon, Baja California, Mexico, March 2007

Mark Carwardine / Tourists in small boat watching curious Grey whale (Eschrichtius robustus) spyhopping, San Ignacio Lagoon, Baja California, Mexico, February 2007

Mark Carwardine / Tourists watching Walrus (Odobenus rosmarus) swimming near boat, Igloolik, Foxe Basin, Nunavut, Arctic Canada, 2007

Enrique Lopez-Tapia / Trekkers infront of Kampungge Himal, Annapurna Conservation Area, Himalayas, Nepal, October 2009. No release available.

Andy Rouse / Mountain gorilla (Gorilla beringei) silverback walking in front of watching tourists, Virunga Volcanoes, Rwanda 2012. No release available.

Roberto Rinaldi / Weedy seadragon (Phylloperyx taeniolatus) with diver watching nearby, Australia. Model released

Paul Williams / Tourists watching two wild Jaguar cubs fight on riverbank whilst third looks on from above (Panthera onca) from boat on river, Pantanal, Pocone, Brazil. No release available.

Andy Rouse / Polar bear (Ursus maritimus) standing against expedition ship, taken with extreme wide angle lens, Svalbard, Arctic September 2011

Christophe Courteau / Mountain gorilla silverback, male called Munyinya, (Gorilla beringei) with tourist taking photo, part of Hirwa Group, Volcanoes National Park, Rwanda

Jack Dykinga / Woman swimming in Cenote Noh-Moson with Ficus tree roots, ten meters long, reaching toward the blue wate,r Yucatan, Mexico. No release available.

Brent Stephenson / Humpback whale fin (Megaptera novaeangliae) with cruiseship passengers watching from a zodiac, Admiralty Island, Alaska, United States, July. No release available.

Peter Cairns / 2020VISION / Bass Rock at dawn, North Berwick, Scotland, UK, August. 2020VISION Book Plate. Did you know? Approximately an eighth of the world's Northern gannet population breeds on Bass Rock.

Peter Cairns / 2020VISION / Herring gull (Larus argentatus) standing on the roof of a car, Portree, Skye, Scotland, UK, June

Peter Cairns / 2020VISION / Great skua (Stercorarius skua) displaying, Shetland Isles, Scotland, UK, July

Peter Cairns / 2020VISION / Great skua (Stercorarius skua), Shetland Isles, Scotland, UK, July

Peter Cairns / 2020VISION / Tourist watching a Puffin (Fratercula arctica), Shetland Isles, Scotland, UK, July 2011. Did you know? When flying a Puffin can flap its wings 400 times a minute.

Peter Cairns / 2020VISION / Puffin (Fratercula arctica) standing on a rock, posing for a tourist holding a camera, Shetland Isles, Scotland, UK, July 2011. 2020VISION Book Plate. Did you know? Although the largest colonies of pu...

Peter Cairns / 2020VISION / Arctic Tern (Sterna paradisaea) against white sky, Farne Islands, Northumberland, England, UK, July

Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.

Mark Carwardine / Tourists in zodiac looking at icebergs. Antarctic Peninsula, January.

Bryan and Cherry Alexander / Zodiac filled with tourists seen through ice arch in an iceberg, Pleneau Island, Antarctica, February 2009.

Bryan and Cherry Alexander / Gentoo penguins (Pygoscelis papua) in blowing sand with the "Ocean Nova" anchored beyond. Saunders Island, Falkland Islands, 2009.

Bryan and Cherry Alexander / Gentoo penguin (Pygoscelis papua) standing on volcanic beach at Whalers Bay, with tourists in kayak beyond. Deception Island, South Shetland Islands, Antarctica, 2009.

John MacPherson / 2020VISION / Visitors on Chanonry Point watching Bottlenose dolphins (Tursiops truncatus) playing and breaching, Moray Firth, Inverness-shire, Scotland, UK, May. 2020VISION Exhibition. Did you know? Dolphins are o...

John MacPherson / 2020VISION / Bottlenose dolphin (Tursiops truncatus) group at surface, Moray Firth, Inverness-shire, Scotland, UK, August

Brent Stephenson / Steller's Sea Lions (Eumetopias jubatus) resting on rocks above the tideline. Zodiac with tourists watching in the background. The Brothers, Alaska, United States, July.

Tim Laman / Young brother and sister (both model released) exploring tropical rainforest and looking through binoculars, Danum Valley Conservation Area, Sabah, Borneo, Malaysia, July 2007

Tim Laman / Young boy aged 7 (model released) exploring a canopy rope bridge walkway through the lowland dipterocarp rainforest in Borneo. Danum Valley Conservation Area, Sabah, Malaysia, July 2007

Tim Laman / Young brother and sister (both model released) exploring a canopy rope bridge walkway through the lowland dipterocarp rainforest in Borneo. Danum Valley Conservation Area, Sabah, Malaysia, July 2007

Tim Laman / Two young children (brother and sister-model released) working on their journals at a research station in tropical rainforest, Borneo. July 2007

Tim Laman / Young boy (model released) 9 years of age, photographing a wild orangutan in the rainforest in Borneo. July 2007

Tim Laman / Two young children (brother and sister- model released) in tropical rainforest watching a wild orangutan. Borneo, July 2007

Jeff Rotman / Snorkeler interacting with wild Bottlenose Dolphin (Tursiops truncatus), Nuweiba, Egypt - Red Sea. Model released Model released.

Jeff Rotman / Snorkeler swimming with wild Bottlenose Dolphin (Tursiops truncatus), Nuweiba, Egypt - Red Sea. Model released Model released.

Jeff Rotman / Snorkeler interacting with wild Bottlenose Dolphin (Tursiops truncatus), Nuweiba, Egypt - Red Sea. Model released Model released.

Andy Rouse / Five Common wildebeest (Connochaetes taurinus) migrating, seen from a hot air balloon, Masai Mara, Kenya, Africa

Andy Rouse / Polar bear (Ursus maritimus) standing up against tourist ship, Svalbard, Norway, June 2009

Andy Rouse / Polar bear (Ursus maritimus) standing up against tourist ship, Svalbard, Norway, June 2009

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

Colin Monteath / Mt Sefton, climber at dawn above Mueller hut and cloud-filled Mueller Glacier, Mt Cook National Park, New Zealand

Tony Heald / Tourists watching African elephants {Loxodonta africana} from boat on the Chobe River, Chobe NP, Botswana, Africa

Staffan Widstrand / Reindeer trekking with Saami, Lapland, Sweden, Model released

Staffan Widstrand / Silhouette of ecotourist Reindeer trek camp site with Saami, Lapland, Sweden.

Staffan Widstrand / Tourist wrapped up against midwinter cold, Lapland, Sweden, -40C. Vindelfjallen NR

Staffan Widstrand / Tourist wrapped up for Dogsledging in midwinter Lapland, Sweden, -40C.

Flip Nicklin / Whale Shark (Rhincodon typus) surrounded by several scuba divers, threatened, Cocos Island, Costa Rica

Flip Nicklin / Two scuba divers swimming through sea cave with schooling Grunts, Cocos Island, Costa Rica

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

Gerry Ellis / African Lion (Panthera leo) kill surrounded by tourists, Tanzania border, Kenya

Konrad Wothe / Flight safari, Okavango Delta, Botswana

Konrad Wothe / Safari airplane flying over the flooded Okavango Delta, Botswana

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

Colin Monteath / Cerro Torre and Fitzroy reflected in small pond at dawn, Loma Plieque Tumbado, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Hiker, Cerro Torre and Fitzroy reflected in small pond at dawn, Loma Plieque Tumbado, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Mountaineer enjoying the view of Mt Everest and the Himalayan Mountains at sunset from Gokyo Ri, Khumbu, Nepal

Yva Momatiuk & John Eastcott / Lone hiker walking along the base of a sandstone butte strong pattern of wavy lines in petrified sand dunes are exposed by erosion, Vermilion Cliffs National Monument, Colorado Plateau, Utah

Yva Momatiuk & John Eastcott / Lone hiker walking on colorful sandstone strong pattern of wavy lines in petrified sand dunes are exposed by erosion, Vermilion Cliffs National Monument, Colorado Plateau, Utah

Yva Momatiuk & John Eastcott / Alaska Range in spring snow, photographer resting in valley below mountains, Denali National Park and Preserve, Alaska

Gerry Ellis / Mosquito Cove at dusk, Antigua, Caribbean

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

Colin Monteath / Climber enjoying view of Mt CookÆs Caroline Face from Ball Pass, Mt Cook National Park, New Zealand

Michael & Patricia Fogden / Brilliant trail with hiker, Monteverde Cloud Forest Reserve, Costa Rica

Tim Fitzharris / Tourists viewing Grand Prismatic Pool, Midway Geyser Basin, Yellowstone National Park, Wyoming

Gerry Ellis / Sandstone blocks of White Pyramid of King Snefru at Dakshur, Egypt

Gerry Ellis / The pyramids of Giza in evening light, Giza, Egypt

Colin Monteath / Climber on the summit of Pik Kommunizma at 7,500 meters elevation, highest mountain in the Pamirs, a mountain range in Tajikistan, central Asia

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

Konrad Wothe / Ice climber on Perito Moreno Glacier, Los Glaciares National Park, Argentina

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

Konrad Wothe / Gray Whale (Eschrichtius robustus) breaching while tourists watch, Mexico

Konrad Wothe / Cardon (Pachycereus pringlei) cactus photographed by tourist, largest cacti in the world and may live over 200 years, Sonoran Desert, Baja California, Mexico

Matthias Breiter / Two climbers at Ruth Glacier, with Mt McKinley towering above them, Denali National Park and Preserve, Alaska

Norbert Wu / Scuba diver among colorful corals

Norbert Wu / Sipadan Island, a rich oceanic island surrounded by coral reef, Borneo

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

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