Page last updated at 18:10 GMT, Thursday, 9 July 2009 19:10 UK

Obama: Environment a "historic responsibility"

US President, Barack Obama, has said that driving clean energy transformation of the economy is one of his highest priorities.

Speaking at the G8 Summit in the Italian city of L'Aquila, Mr Obama said developed nations have a "historic responsibility to take the lead" on environmental issues.


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