1. Stabilization wedges: solving the climate problem for the next 50years with current technologies;Pacala;Science,2004
2. IIASA. Global energy assessment – toward a sustainable future. Cambridge University Press, Cambridge, UK and New York, NY, USA and the International Institute for Applied Systems Analysis, Laxenburg, Austria; 2012.
3. Energy Technology Perspectives 2012 – Pathways to a Clean Energy System;IEA,2012
4. Energy Roadmap 2050;European Commission,2011
5. Skea, Ekins, Winskel (eds), Energy 2050 – making the transition to a secure low-carbon energy system. London (UK): Earthscan; 2010.