Ashley Cooper / Nuclear reactor capped off after the fire of October 1957 at Sellafield nuclear power station near Seascale in West Cumbria, UK. February 2013

Ashley Cooper / Sellafield nuclear power station near Seascale, West Cumbria, UK. February 2013

Ashley Cooper / Dismantling of Chapelcross nuclear power station, near Annan Scotland, UK. June 2008

Ashley Cooper / Security guards at one of the entrances to Sellafield nuclear power station near Seascale, West Cumbria, England, UK, February 2013

Ashley Cooper / Nuclear reactor capped off after the fire of October 1957 at Sellafield nuclear power station near Seascale in West Cumbria, UK. February 2013

Mike Potts / 'World's Loneliest Tree' a Sitka spruce (Picea sitchensis) which is over 200km from nearest tree (Auckland Islands) Campbell Island New Zealand Sub-Antarctic Islands UNESCO World Heritage Site, March...

Mike Potts / 'World's Loneliest Tree' a Sitka spruce (Picea sitchensis) which is over 200km from nearest tree (Auckland Islands) Campbell Island New Zealand Sub-Antarctic Islands UNESCO World Heritage Site, March...

James Christensen / Scotch Pine (Pinus sylvestris) trees being harvested to thin forest and reduce risk of the spread of radioactive particles in case of a forest fire, Chernobyl Exclusion Zone, Ukraine

James Christensen / Aerial view of bog in taiga within the bounds of the 30 km Chernobyl Exclusion Zone, Ukraine

John Cancalosi / Samarskite, a radioactive rare earth mineral of the series which includes samarskite-(Y) and samarskite-(Yb) with formula: (YFe3+Fe2+U,Th,Ca)2(Nb,Ta)2O8.

Eric Baccega / Young men holding their torches in their mouth while digging 10 meters underground in the coltan mines of Muhanga, Rwanda. This mineral is radioactive and these young miners are killing their lungs by...

James Christensen / Scotch Pine (Pinus sylvestris) trees felled to create fire break to reduce risk of spread of radioactive particles in case of forest fire, Chernobyl Exclusion Zone, Ukraine