Juan Carlos Munoz / Cheesemaker holding a hard cheese, with equipment in the background. Triglav National Park, Slovenia, October 2014.

Jen Guyton / Emilia Nacir, Coffee Project employee, roasting beans that have been harvested from the Mountain, Gorongosa National Park, Mozambique. April.

Franco Banfi / Pearl farm worker inserting the spherical mother-of-pearl nucleus into the pearl-oyster, Gauguin Pearl farm, Rangiroa Atoll, Tuamotu Archipelago, French Polynesia.

Jak Wonderley / Wild Wonders of China / Behind the scenes for Wild Wonders of China at Night Safari, Singapore. A studio background and lights set up near the Sunda pangolin facilities. Photographer Suzi Eszterhas on the left, Night Safari...

Jo-Anne McArthur / We Animals / Roundup employee stands in the snake pit, annual Rattlesnake Roundup, Sweetwater, Texas, USA.

Ashley Cooper / Crofter and Eigg Electric employee amongst the array of backup batteries that store sufficient to power the island for 24 hours. Isle of Eigg is powered by renewable energy and backup batteries store...

Ashley Cooper / A crofter and Eigg Electric employee checking the inverters from the various renewable sources Isle of Eigg, Scotland, UK. May 2012

Ashley Cooper / An Eigg crofter and Eigg Electric employee next to their aray of solar PV panels. Isle of Eigg, Scotland, UK. May 2012

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 / Employee of Cumbria County Council clearing snow from the blocked Kirkstone Pass, the highest mountain pass in the Lake District, England, UK. January 2010

Bruno D'Amicis / NABU employee letting child looking through binoculars at birds, Jimba, Lake Tana Biosphere Reserve, Ethiopia. December 2013.

Lisa Hoffner / Save the Elephants employee preparing collar for elephant collaring, Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants employee preparing collar for elephant collaring, Samburu National Reserve, Kenya.

Cheryl-Samantha Owen / An employee from 'Cape Nature', a government conservation department, fishing for introduced Rainbow trout (Oncorhynchus mykiss) in an attempt to eradicate them from the Krom River, Cedarberg Mountain...

Kristel Richard / Piber Federal Stud employee with two Lipizzaner colt during the Almabtrieb when the horses are moved from the Stubalpe mountains to their winter stable, near Koflach, Styria, Austria, September 2013....

Kristel Richard / Piber Federal Stud employee leading rearing Lipizzaner colt through the street during the Almabtrieb when the horses are moved from the Stubalpe mountains to their winter stable, near Koflach, Styria,...

Kristel Richard / Piber Federal Stud employee with Lipizzaner colt during Almabtrieb, when they move the horses from the Stubalpe mountains to their winter stable, near Koflach, Styria, Austria, September 2013. Editori...

Kristel Richard / Piber Federal Stud employee with two Lipizzaner colts during the Almabtrieb when the horses are moved from the Stubalpe mountains to their winter stable, near Koflach, Styria, Austria, September 2013....

Kristel Richard / Piber Federal Stud employee leading two Lipizzaner colts from the Stubalpe mountains to their winter stable, near Koflach, Styria, Austria, September 2013. Editorial use only.

Kristel Richard / Piber Federal Stud employees leading Lipizzaner colts from the Stubalpe mountains to their winter stable, near Koflach, Styria, Austria, September 2013. Editorial use only.

Kristel Richard / Piber Federal Stud employee feeding one of two Lipizzaner colts during the Almabtrieb when the horses are moved from Stubalpe mountains to their winter stable, near Koflach, Styria, Austria, September...

Kristel Richard / Piber Federal Stud employee with four Lipizzaner colts during the Almabtrieb when they move the horses from the Stubalpe mountains to their winter stable, near Koflach, Styria, Austria, September 2013...

Kristel Richard / Piber Federal Stud employee leading two Lipizzaner colts from the Stubalpe mountains to their winter stable, near Koflach, Styria, Austria, September 2013. Editorial use only.

Cheryl-Samantha Owen / West coast rock lobster (Jasus lalandii) on ice in seafood counter in the Food Lovers Supermarket, employee taking one out. Noordhoek, Longbeach Mall, South Africa

Neil Aldridge / A researcher working for the Endangered Wildlife Trust using radio telemetry equipment to track African wild dogs (Lycaon pictus), Venetia Limpopo Nature Reserve, Limpopo Province, South Africa, July...

Neil Aldridge / A researcher working for the Endangered Wildlife Trust standing on top of a kopje in order to get a better signal whilst using radio telemetry equipment to track African wild dogs (Lycaon pictus), Ven...

Neil Aldridge / A researcher working for the Endangered Wildlife Trust using radio telemetry equipment to track African wild dogs (Lycaon pictus) whilst walking with tourists, Venetia Limpopo Nature Reserve, Limpopo...

Neil Aldridge / Vet working for the Endangered Wildlife Trust measuring the distance between puncture wounds in the throat of an African wild dog (Lycaon pictus) to determine the cause of death whilst undertaking a n...

Neil Aldridge / Vet working for the Endangered Wildlife Trust measuring the distance between puncture wounds in the throat of an African wild dog (Lycaon pictus) to determine the cause of death whilst undertaking a n...

Neil Aldridge / Vet working for the Endangered Wildlife Trust showing the puncture wounds in the neck of a dead African wild dog (Lycaon pictus) whilst undertaking a necropsy, Venetia Limpopo Nature Reserve, Limpopo...

Neil Aldridge / Vet working for the Endangered Wildlife Trust checking the teeth of a dead African wild dog (Lycaon pictus) whilst carrying out a necropsy, Venetia Limpopo Nature Reserve, Limpopo Province, South Afr...

Neil Aldridge / Vet working for the Endangered Wildlife Trust fastening a pheromone imbued calming collar around the neck of a tranquilized African wild dog (Lycaon pictus), these collars are designed to soothe dogs...

Neil Aldridge / Vet working for the Endangered Wildlife Trust placing a pheromone imbued calming collar around the neck of a tranquilized African wild dog (Lycaon pictus), these collars are designed to soothe dogs i...

Neil Aldridge / Endangered Wildlife Trust vet removing a radio collar from a tranquilized African wild dog (Lycaon pictus) on the tailgate of a research vehicle, Venetia Limpopo Nature Reserve, Limpopo Province, Sout...

Neil Aldridge / Endangered Wildlife Trust vet removing a radio collar from a tranquilized African wild dog (Lycaon pictus) on the tailgate of a research vehicle, Venetia Limpopo Nature Reserve, Limpopo Province, Sout...

Karl Ammann / Timber company employee with Hornbill he has hunted for bushmeat, Central Africa. Wildlife represents a marketable asset and a supplement to low incomes.

John Cancalosi / National Park employee Paratoxonomists showing insect to trainee, tropical rainforest, Costa Rica