With just over a fortnight to go before climate talks start again in Cancun, a new report warns that the renewables share in final energy consumption will be “very difficult to meet”.

Despite growth by renewable energies generation in 2009 (15 per cent for wind and 53 per cent in solar photovoltaics) the 20 per cent target is a “very challenging target”, according to a report published today by Capgemini, the consultancy.