1. EU-27 Gross Inland Consumption of Hard Coal 1990–2012 (EC Eurostat, 2014);
http://go.nature.com/HMhdlW
2. de Perthuis, C. & Trotignon, R. Energy Policy
http://doi.org/tpd
(2014).
3. IPCC Climate Change 2014: Mitigation of Climate Change. Contribution of Working Group III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (eds Edenhofer, O. et al.) (Cambridge Univ. Press, 2014).
4. Koch, N. et al. Energy Policy
http://doi.org/tqk
(2014).
5. Grosjean, G. et al. After Monetary Policy, Climate Policy: Is Delegation Key to EU ETS reform? (MCC, 2014);
http://go.nature.com/4xnv7x