Ashley Cooper / Eroded cliff in Walney Island, where erosion has revealed buried landill, Barrow in Furness, Cumbria, England, UK. June 2008

Ashley Cooper / Cows at edge of eroded cliff in Walney Island, where erosion has revealed buried landill, Barrow in Furness, Cumbria, England, UK. June 2008

Ashley Cooper / Sunrise over men fishing in a boat on Lake Windermere in Ambleside, Lake District, UK. December 2014

Ashley Cooper / Sunrise over Lake Windermere in Ambleside, Lake District, UK, with a man paddling a Canadian Canoe. December 2014

Ashley Cooper / Dry Rigg gritstone quarry at Helwith Bridge in the Yorkshire Dales National Park, UK. May 2014.

Ashley Cooper / Solar panels in Death Valley. Death Valley is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all. October...

Ashley Cooper / Solar panels amongst Badland scenery in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain...

Ashley Cooper / Gentoo penguins (Pygoscelis papua) with members of an expedition cruise ship. Curverville Island, Antarctic Peninsula.

Sue Flood / Grease ice forming on the on the water's surface in Weddell Sea, Antarctica. Grease ice is a very thin, soupy layer of frazil crystals clumped together, which makes the ocean surface resemble an oil s...

Graham Eaton / Small extension (normal) faults within a layer of shale between two layers of more competent sandstone. Carboniferous, turbidites, Bude, Cornwall, UK, May.

David Fleetham / Galapagos shark (Carcharhinus galapagensis) surfacing, with nictitating membrane across it eye. Oahu, Hawaii.

Benjamin Olson / Sandstone rock formations at sunset over Badlands National Park, South Dakota