Implications of the international reduction pledges on long-term energy system changes and costs in China and India

Paul L. Lucas, P.R. Shukla, Wenying Chen, Bas van Ruijven, Subash Dhar, Michel G.J. den Elzen and Detlef P. van Vuuren

Energy Policy, 2013, vol. 63, issue C, 1032-1041

Abstract: This paper analyses the impact of postponing global mitigation action on abatement costs and energy systems changes in China and India. It compares energy-system changes and mitigation costs from a global and two national energy-system models under two global emission pathways with medium likelihood of meeting the 2°C target: a least-cost pathway and a pathway that postpones ambitious mitigation action, starting from the Copenhagen Accord pledges. Both pathways have similar 2010–2050 cumulative greenhouse gas emissions. The analysis shows that postponing mitigation action increases the lock-in in less energy efficient technologies and results in much higher cumulative mitigation costs. The models agree that carbon capture and storage (CCS) and nuclear energy are important mitigation technologies, while the shares of biofuels and other renewables vary largely over the models. Differences between India and China with respect to the timing of emission reductions and the choice of mitigation measures relate to differences in projections of rapid economic change, capital stock turnover and technological development. Furthermore, depending on the way it is implemented, climate policy could increase indoor air pollution, but it is likely to provide synergies for energy security. These relations should be taken into account when designing national climate policies.

Keywords: Copenhagen pledges; Two degrees; Energy dynamics (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (22)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:enepol:v:63:y:2013:i:c:p:1032-1041

DOI: 10.1016/j.enpol.2013.09.026

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