Igor Shpilenok / Young female Kamchatka brown bear (Ursus arctos beringianus) playing with oil drum, Kronotsky Nature Reserve, Kamchatka, Far East Russia. May. These bears can develop addiction to sniffing the aviatio...

Bruno D'Amicis / Fennec fox (Vulpes zerda) wild caught adult, kept in sheep pen in village, Kebili Governorate. Tunisia, April. Winner of the Fritz Polking Portfolio Award of the GDT Competition 2015.

Cyril Ruoso / Pollution washed up in mangroves, Sungei Buloh Natural Park, Singapore. Non-ex

Bryan and Cherry Alexander / Oil storage tanks near Sabetta, South Tambey Gas field, Yamal, Siberia, Russia. February 2014.

Ashley Cooper / Logs bound for a biofuel power station in Workington next to oil tanks in Workington port, Cumbria, UK, with a wind farm in the background.

Pal Hermansen / Arctic hare (Lepus arcticus) stretching with oil drums at Eureka Settlement, Nunavut, Canada, August.

David Welling / Oil derricks and storage tanks in a working oil field, Southern Kern County, California, USA

Bryan and Cherry Alexander / Large oil storage tanks in the Inuit community of Rankin Inlet. Nunavut, Canada, April 2008.

Bryan and Cherry Alexander / Fuel storage tanks over by the garbage dump away from the town of Iqaluit. Baffin Island, Nunavut, Canada, April 2008.

Bryan and Cherry Alexander / Gas storage tanks at Pregorodnaye where Sakhalin Energy's Liquid Natural Gas processing facility is under construction. Aniva Bay, Sakhalin Island, Russian Far East, 2006.

Doug Allan / Gentoo penguins (Pygoscelis papua) standing on oil drums at abandoned scientific base, Port Lockroy, Antarctica, January 1992.

Ugo Mellone / Water cistern in the Sahara desert, this can be a deadly trap for wildlife. Djebel Rich, Southern Morocco, Africa.