Even though the EU clearly leads the global fight against climate change and despite the additional reduction in emissions due to the global crisis and European recession, the ambitious objectives flagged in the ‘‘20-20-20 by 2020’’ strategy and ‘climate-energy package’ may be out of reach if a more resolute and consistent policy of carbon taxation is not rapidly put in place in the EU. In this paper, we detail and discuss the different options available for such European carbon taxation.