Ashley Cooper / Sunflower next to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. May 2011

Ashley Cooper / Heliostats, large reflective mirrors directing sunlight to the PS20 solar thermal tower, the only such working solar tower currently in the world. Sanlucar La Mayor, Andalucia, Spain. June 2011

Ashley Cooper / Sun rays reflected onto solar tower at Ivanpah Solar Thermal Power Plant, the largest solar thermal plant in the world. It covers 4,000 acres of desert and produce 392 megawatts (MW) of electricity....

Claudio Contreras / Green Turtle (Chelonia mydas) trapped in fishing net, Sea of Cortez (Gulf of California), Mexico, May, Third Place in the third National Contest 'Visions of our nature' organised by Mexico'...

Chris & Monique Fallows / Long-beaked common dolphin (Delphinus capensis) breaching in front of large ship during sardine run, East London, South Africa, June.

Pedro Narra / Shell of Green Turtle (Chelonia mydas) outside mud house, Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes Menacees / SOS Endangered Species Portfolio category of the...

Claudio Contreras,Claudio Contreras / Discarded nets, bangka canoe and other garbage at the beach, Guindacpan Island, Danajon Bank, Central Visayas, Philippines, April 2013

Kirkendall-Spring / Clearcut forest in the Baker-Snoqualmie National Forest. Washington, USA, August 2011.

Kirkendall-Spring / Marengo Wind Facility near Dayton. Washington, USA. August 2011.

Andy Trowbridge / Split level shot of a fly fisherman (Murray Trowbridge) releasing a large brown trout (Salmo trutta) in a gin clear 'backcountry' river, North Canterbury South Island, New Zealand. January, 2012. Mode...

Kerstin Hinze / Aerial view of Mark, an offshore windpark, Ostsee, Denmark, July 2012

Roy Mangersnes / Bushfire and dust devils in the Central Kalahari Game Reserve, Botswana, November