Ashley Cooper / Forest fire destroyed area of forest in the Little Yosemite Valley, Yosemite National Park, California, USA. Most of California was in exceptional drought, the highest classification of drought, which...

Ashley Cooper / Forest fire destroyed area of forest in the Little Yosemite Valley, Yosemite National Park, California, USA. Most of California was in exceptional drought, the highest classification of drought, which...

Ashley Cooper / Wildfire damage in Yosemite National Park, California, USA. Most of California was in exceptional drought, the highest classification of drought, which lea to an increasing number of wild fires. Octo...

Ashley Cooper / The King Fire that burned 97,717 acres of the El Dorado National Forest, California, USA. This picture was taken during a severe drought in which wild fires are much more common. October 2014

Ashley Cooper / Forest fire destroyed area of forest in the Little Yosemite Valley in the Yosemite National Park, California, USA. This fire was started by a lightning strike. October 2014

Ashley Cooper / Emissions from a Tata steel works amd wind turbine, Ijmuiden, Netherlands, with a wind turbine. April 2013

Ashley Cooper / Coal fired cement factory billows smoke in Inner Mongolia, China. March 2009.

Ashley Cooper / Lorries hauling coal to a coal fired power plant, Dongsheng, Inner Mongolia, China. March 2009. In 2008 China officially became the worlds largest emitter of greenhouse gases.

Ashley Cooper / Low grade coal from an open cast coal mine near Heihe, Northern China, March 2009.

Ashley Cooper / Trucks hauling low grade coal from an open cast coal mine near Heihe, Heilongjiang province, China, March 2009. In 2008 china became the worlds largest emitter of greenhouse gases.

Ashley Cooper / Chinese man collects coal that has fallen from lorries taking coal from an open cast coal mine to power plants near Heihe on the Chinese Russian border

Ashley Cooper / Dwellings in Suihua with smoke coming out from the chimneys, Heilongjiang Province, China.