Ashley Cooper / A man cleans high concentration photo voltaic panels being trialled by the research and development arm of Abengoa Solar, at their Solucar solar complex in Sanlucar la Mayor, Spain. Abengoa are invest...

Ashley Cooper / Workers washing dust off solar panels at station run by Tata power on the roof of an electricity company in Delhi, India, to make them more efficient. December 2013

Ashley Cooper / In 2008 China became the worlds largest emitter of greenouse gases, fuelled by high levels of economic growth and electricity mainly being generated by dirty, highly polluting coal fired power station...