The United Nations Conference on Sustainable Development (UNCSD) in June 2012—commonly referred to as Rio+20—left many perplexed. If a number of advances were made, the results fell well short of what is needed to redirect the global economy onto a sustainable course.

The debate on the costs and benefits of governments’ support to biofuels development has gained considerable momentum, especially in light of fiscal austerity measures and the “food versus fuel” debate associated with the impacts of biofuels expansion on agricultural markets.