Klaus Röhrig works on the EU Emissions Trading Scheme (ETS) and on fostering ambition in EU climate and energy policy. Prior to joining CAN Europe, Klaus was Research and Policy Officer at Green Budget Europe promoting environmental fiscal reform through the European Semester and advocating a more sustainable-oriented EU budget. He has worked with Greenpeace Germany and the Policy Department for Budgetary Affairs in the European Parliament. He holds a Masters in European Studies and has studied in Maastricht, Grenoble and Konstanz.