Guardian: In March 2007, European leaders embarked on the most far-reaching and ambitious EU policy undertaken since the launch of the euro. They not only agreed on a 20% target for overall emissions reduction by 2020, but – crucially – binding targets for 20% of all energy to be sourced from renewables, and for 10% of transport fuels to come from biofuels. Now, with full-blown recession in Europe a serious possibility, politicians are getting cold feet. It’s not hard to see why. The …