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Bjorn Lomborg talks to Rosie Boycott

Smart Solutions to Climate Change: Comparing Costs and Benefits

Hay Festival 2011 , 
The Danish economist discusses the likely costs and benefits of a very wide range of policy options, including geo-engineering, mitigation of CO2, methane and 'black carbon', expanding forest, research and development of low-carbon energy and encouraging green technology transfer.
More about Bjorn Lomborg's publications on his website