Floris van Breugel / Flawless crystalline ice, produced through millennia of glacial pressure, floating on Lago Grey, Torres del Paine National Park, Chile, June 2014.

Laurie Campbell / Water spray irrigating arable field, Berwickshire, Scotland, UK, May

Doug Allan / Emperor penguins diving {Aptenodytes forsteri} Antarctica. Emperor penguins are the bird diving champions and can acheive a depth of 500m. Humans can only descend 150m before the water pressure collap...

Ashley Cooper / Sailing boats on Lake Windermere during severe cold snap, Lake District, England, UK. December 2010

Ashley Cooper / Sailing boats on Lake Windermere during severe cold snap, Lake District, England, UK. December 2010

Ashley Cooper / The Wateredge Inn surrounded by flood water after Lake Windermere burst its banks in Ambleside in the Lake District on Sunday 6th December 2015, after torrential rain from storm Desmond. England, UK,...

Ashley Cooper / The Wateredge Inn surrounded by flood water after Lake Windermere burst its banks in Ambleside in the Lake District on Sunday 6th December 2015, after torrential rain from storm Desmond. England, UK,...

Ashley Cooper / Ambleside Pier surrounded by flood water after Lake Windermere burst its banks in Ambleside in the Lake District on Sunday 6th December 2015, after torrential rain from storm Desmond. England, UK, Dec...

Ashley Cooper / Flood waters on the Under Loughrigg Road, Ambleside, by Rothay Bridge, Lake District on Saturday 5th December 2015, during torrential rain from storm Desmond. England, UK, December 2015.

Ashley Cooper / Fire engine going through flood waters on the Ambleside, Coniston road, Rothay bridge, Lake District on Saturday 5th December 2015, during torrential rain from storm Desmond. England, UK, December 20...

Ashley Cooper / Man hole cover pushed up under the force of water pressure during flooding in Ambleside, Lake District, UK. December 2014.

Ashley Cooper / Fracking truck at site near Wasco in California's Central Valley, USA. September 2014.

Ashley Cooper / House with home made small scale hydro turbine to provide electricity, Isle of Eigg, Scotland, UK, May 2012.

Gerrit Vyn / Rakhine woman gathering clams by probing holes with her finger. Subsistence hunting pressure is intense on both marine and terrestrial wildlife in the region, Rakhine State, Maynmar, 2012

Lou Coetzer / African elephant (Loxodonta africana) calf in water with mother's reassuring trunk resting on head, Chobe River, Botswana, April, Vulnerable species.

Jabruson / African rainforest penetration and associated pressures. People on truck with water containers. Influx of humans exerts pressure on wildlife and natural resources outside and within protected areas th...

Jabruson / African rainforest penetration and associated pressures. People on truck with water containers. Influx of humans exerts pressure on wildlife and natural resources outside and within protected areas th...

Jabruson / Agriculture on the edge of the rainforest, irrigation on the edge of the Obe National Park, near Bom Sucesso Botanic Gardens, Sao Tome, Democratic Republic of Sao Tome and Principe, Gulf of Guinea

Bryan and Cherry Alexander / Large 'ice blister,' caused by water pressure, on frozen river in Northern Evensk, Magadan region, Eastern Siberia, Russia, 2006.

Guy Edwardes / Strokkur geyser about to erupt, Geysir, Haukadalur, Iceland. July 2009

Bryan and Cherry Alexander / Turquoise meltpool beside pressure ridge in the polar pack ice, Arctic Ocean, 1998.

DAVID TIPLING / Pressure ridges and sea ice Weddell Sea, Antarctica

Tui De Roy / Perito Moreno Glacier being cut back by water pressure from trapped Lake Argentina, Los Glaciares National Park, Patagonia, Argentina

Tui De Roy / Perito Moreno Glacier being cut back by water pressure from trapped Lake Argentina, Los Glaciares National Park, Patagonia, Argentina

Tui De Roy / Perito Moreno Glacier being cut back by water pressure from trapped Lake Argentina, Los Glaciares National Park, Patagonia, Argentina

Rick Tomlinson / Kariba Dam, Zimbabwe is located approximately halfway down the Zambezi River. The dam was surrounded by controversy, both environmentally and socially, it is an impressive monument to man's engineerin...

Ashley Cooper / Great Gable from Red Screes, with silhouetted runner and low clouds caused by temperature inversion. Lake District, Cumbria, UK. September 2013

Ashley Cooper / Great Gable from Red Screes, with silhouetted runner and low clouds caused by temperature inversion. Lake District, Cumbria, UK. September 2013