Guy Edwardes / Calm sea with St Mary's Lighthouse in distance, Whitley Bay, Tyne and Wear, England, UK, February 2008.

Shattil & Rozinski / Juvenile American black bear (Ursus americanus), brown phase, standing upright and leaning on a car, Denver, Colorado, USA, July.

Guy Edwardes / St. Mary's Lighthouse, Whitley Bay, Tyne and Wear, England, UK, March.

Guy Edwardes / St. Mary's Lighthouse, Whitley Bay, Tyne and Wear, England, UK, March.

Guy Edwardes / Whiteford Point Lighthouse at Sunset, Gower Peninsular, Wales, UK, June 2013.

Guy Edwardes / Sand patterns with ice between ripples of the sand, front of Burnham-on-Sea Lighthouse in winter, Somerset, England, UK, January.. January 2010

Guy Edwardes / Sand patterns with ice between ripples of the sand, front of Burnham-on-Sea Lighthouse in winter, Somerset, England, UK, January.. January 2010

Guy Edwardes / St Mary's Lighthouse, Whitley Bay, Tyne and Wear, England, UK, February 2006.

Guy Edwardes / Fanad Head Lighthouse with stormy seas, Donegal, Republic Of Ireland, September 2010.

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites jumping from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Base jumpers wearing wing suites preparing to jump from the Aiguille Du midi above Chamonix, France. September 2014

Ashley Cooper / Climbers on the Cosmiques Arete, climbing the ladder to access the cable car station, and a base jumper in a wing suite flying past. Mont Blanc from the Aiguille Du Midi above Chamonix, France, Septem...

Ashley Cooper / Disposable nappies thrown away on the outskirts of the Berber village of Tamazight near Jebel Sirwa, Anti Atlas mountains of Morocco, North Africa. April 2012

Ashley Cooper / Aeroplane on the runway at East Midlands Airport in foggy conditions. December 2006

Ashley Cooper / Cars driving on the M1 motorway, near Loughborough in evening fog. England, UK, December 2006

Ashley Cooper / A snow plough driving in heavy snow, clearing the road in Ambleside, England, UK. March 2006

Ashley Cooper / Melt water on the Greenland ice sheet near camp Victor north of Ilulissat, Greenland, July 2008.

Ashley Cooper / Melt water on the Greenland ice sheet near camp Victor north of Ilulissat, Greenland, July 2008.

Ashley Cooper / Melt water on the Greenland ice sheet near camp Victor north of Ilulissat, Greenland, July 2008.

Ashley Cooper / Melt water on the Greenland ice sheet near camp Victor north of Ilulissat, Greenland, July 2008.

Ashley Cooper / Small collapse of ice from the Russells Glacier, Kangerlussuaq, Greenland. July 2008.

Ashley Cooper / Collasing ice from the Russells Glacier, Kangerlussuaq, Greenland. July 2008.

Ashley Cooper / The Russells Glacier, Kangerlussuaq, Greenland. July 2008.

Ashley Cooper / The Russells Glacier and pool of meltwater at terminus, Kangerlussuaq, Greenland, July.

Ashley Cooper / Melt water from the Russells Glacier, Greenland, July 2008.

Ashley Cooper / Glacier coming off the Greenland ice sheet near Camp Victor north of Ilulissat, Greenland, July 2008.

Ashley Cooper / Russells Glacier with calved ice and meltwater, Greenland, July 2008.

Doug Perrine / Palm trees in Leilani Community Park, silhouetted against the glow from fountaining lava at fissure 8, Kilauea Volcano, Leilani Estates subdivision, near Pahoa, Puna District, Hawaii. June 2018.

Doug Perrine / River of lava entering the ocean at dusk. Ahalanui, Kapoho, Hawaii. This lava erupted from fissure 8 of the Kilauea Volcano, near Pahoa, Hawaii. June 2018.

Doug Perrine / Lava erupting from fissure 8 of the Kilauea Volcano, in Leilani Estates, near Pahoa, Hawaii. Here a river of lava flows through what was formerly a Papaya orchard in Kapoho, lower Puna District, Hawa...

Doug Perrine / 'Lava boat' or 'Lavaberg' (large chunk of partially hardened lava) floats down the lava river flowing through Kapoho, from Fissure 8 of the Kilauea Volcano, Puna District, Hawaii. June 2018.

Doug Perrine / 'Lava boat' or 'Lavaberg' (large chunk of partially hardened lava) floats down the lava river flowing through Kapoho, from Fissure 8 of the Kilauea Volcano, Puna District, Hawaii. June 2018.

Doug Perrine / Lava erupting from fissure 8 of the Kilauea Volcano, near Pahoa, flowing through what was formerly a papaya orchard in Kapoho, lower Puna District, Hawaii. June 2018.

Doug Perrine / River of lava erupting from fissure 8 of the Kilauea Volcano, near Pahoa, flowing through Kapoho, Puna District, Hawaii June 2018.

Doug Perrine / A'a lava flowing over land, where it has pushed down a house and set it on fire. The lava originated from Pu'u O'o, Kilauea Volcano, from a fissure in Leilani Estates, near Pahoa, Puna, Hawaii, USA....

Doug Perrine / A'a lava which originated from Pu'u O'o, Kilauea Volcano, from a fissure in Leilani Estates, near Pahoa, Puna, Hawaii, USA. June 2018.

Jeff Foott / Warning sign to cut down trees killed by Mountain pine beetle (Dendroctonus ponderosae) because of the fire hazard. Sign is near Dubois, Wyoming, USA. The crrent outbreak of mountain pine beetles ha...

Jeff Foott / Dead Lodgepole Pine trees killed by Mountain pine beetle (Dendroctonus ponderosae) that have blown down creating a fire hazard. USA, July. The current outbreak of mountain pine beetles has been part...

Gerrit Vyn / Hazard sign in Jonah field, a coalbed methane extraction site, near Pinedale, Wyoming, USA. May 2012.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) investigating kayaker, Mossel Bay, South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) investigating cage diver, Seal Island, False Bay, South Africa.

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) cruising on the surface with paddleboarder nearby, Gansbaai, South Africa

Chris & Monique Fallows / Great white shark (Carcharodon carcharias) cruising on the surface with paddleboarder nearby, Gansbaai, South Africa

Juergen Freund / A polluted canal beside a bay that hosts Whale sharks every year. The non-biodegradible plastic garbage is a serious hazard to fish, seabirds and marine reptiles and mammals, as well as to human commu...

Juergen Freund / A polluted canal beside a bay that hosts Whale sharks every year. The non-biodegradible plastic garbage is a serious hazard to fish, seabirds and marine reptiles and mammals, as well as to human commu...

Juergen Freund / School girls holding hands on a beach, with coastal pollution around them. This beach is beside a bay that hosts whale sharks every year. The non-biodegradible plastic garbage is a serious hazard to f...

Nick Upton / 2020VISION / Flock of seven Juvenile Common / Eurasian cranes (Grus grus) recently released by the Great Crane Project onto the Somerset Levels and Moors, flying over pastureland, trees and powerlines, a lethal ha...

Sue Flood / A bridge to cross a lead in the sea ice (with crossed flags to mark hazard) near Snow Hill Island, Weddell Sea, Antarctica November 2009

Tom Gilks / Hole / pothole in tarmac, hazard to cyclists in road London

Niall Benvie / Spoof hazard sign about Risk assessment in the forest, Scotland, UK, 2007

Niall Benvie / Spoof risk assesment hazard sign in the forest, Norway 2007

Niall Benvie / Spoof risk assessment hazard sign in the forest, Norway

David Noton / Road hazard sign (beware of moose), Gros Morne National Park, Newfoundland, Canada

Doug Wechsler / Fire prevention team in lookout above tropical dry forest, Guanacaste, Costa Rica

Yuri Shibnev / Forest fire within Kedrovapad NR, Primorsky region, Ussuriland, Far East Russia

Niall Benvie / European hedgehog {Erinaceus europeaeus} crossing road, car in distance

Roberto Rinaldi / Coles Bay with the Hazards mountains beyond, Freycinet Peninsula, Freycinet National Park, east coast, Tasmania, Australia.

Roberto Rinaldi / Coles Bay with the Hazards mountains beyond. Freycinet Peninsula, Freycinet National Park, Tasmania, Australia.

Roberto Rinaldi / Wineglass Bay from the Hazard mountains, Freycinet National Park, Tasmania.

Roberto Rinaldi / Red lichen on the rocks at Coles Bay with the Hazards mountains beyond. Freycinet Peninsula, Freycinet National Park, Tasmania, Australia.

Mike Read / Barn owl {Tyto alba} dead bird on barbed wire fence UK

Enrique Lopez-Tapia / A wildlife crossing hazard road sign warning people about the presence of Cougars (Puma concolor) on the road, Grand Canyon National Park, Arizona, USA.

Enrique Lopez-Tapia / A wildlife crossing hazard road sign warning people about the presence of Cougars (Puma concolor) on the road, Grand Canyon National Park, Arizona, USA.

Pal Hermansen / Wind turbine creating a hazard for migrating waders such as these Lapwing (Vanellus vanellus). North Frisia, Germany. November 2019.