1. IPCC. Climate Change 2014: Synthesis Report. Contribution of Working Groups I, II and III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, [Core Writing Team, Pachauri, R K and Meyer, L (eds.)] IPCC, Geneva, Switzerland, 2014
2. National Academy of Sciences. Climate Intervention: Carbon Dioxide Removal and Reliable Sequestration. Pittsburgh: National Academies Press (2015).
3. Feng K, Davis S, Sun L, Hubacek K. Drivers of the US CO2 emissions 1997–2013. Nature Communications, 2015, 6: 7714
4. Kotchen M J, Mansur E T. Correspondence: reassessing the contribution of natural gas to US CO2 emission reductions since 2007. Nature Communications, 2016, 7: 10648
5. McGlade C, Ekins P. The geographical distribution of fossil fuels unused when limiting global warming to 2 C. Nature, 2015, 517 (7533): 187–190