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Failure to achieve stringent carbon reduction targets in a second-best policy world
UCL Energy Institute, University College London, 14 Upper Woburn Place, London, United Kingdom.
UCL Energy Institute, University College London, 14 Upper Woburn Place, London, United Kingdom.ORCID iD: 0000-0001-9367-1791
2011 (English)In: Climatic Change, ISSN 0165-0009, E-ISSN 1573-1480, Vol. 113, no 2, p. 121-139Article in journal (Refereed) Published
Abstract [en]

Legislation to decarbonise energy systems within overall greenhouse gas reduction targets represents an immense and unprecedented energy policy challenge. However there is a dichotomy between this level of policy ambition and prior modelling studies that find such targets economically, technologically and socially feasible under idealised ―first-best policies. This paper makes a significant contribution to current analytical efforts to account for realistic ―second-best climate mitigation policy implementation. This is achieved via a technical classification of secondbest common mode issues at a detailed national level: both internal (behavioural change, infrastructure implementation) and external (new technologies, resource availability). Under a combina- tory second-best scenario, meeting targets greater than a 70% reduction in CO2 by 2050 entail costs above a subjective barrier of 1% of GDP, while extreme mitigation scenarios (\textgreater90% CO2 reduction) are infeasible. These high costs are equally due to disappointing progress in behavioural and technological mitigation efforts. Expensive second-best mitigation scenarios can still rely on extreme assumptions including the full deployment of the UK‘s offshore wind resource or the complete diffusion of energy efficiency measures in end-use sectors. By demonstrating the fragilities of a low carbon energy system pathway, policy makers can explore protective and proactive strategies to ensure targets can actually be met. Additionally, systematic analysis of failure in stringent long term decarbonisation scenarios teaches energy analysts about the trade-offs in model efficacy vs. confidence.

Place, publisher, year, edition, pages
Springer, 2011. Vol. 113, no 2, p. 121-139
Keywords [en]
Energy-Systems, Scenarios, Economics, Instruments
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-257704DOI: 10.1007/s10584-011-0267-6ISI: 000305211500003Scopus ID: 2-s2.0-84862116938OAI: oai:DiVA.org:kth-257704DiVA, id: diva2:1387265
Note

QC 20200122

Available from: 2020-01-21 Created: 2020-01-21 Last updated: 2020-01-22Bibliographically approved

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Publisher's full textScopusElectronic full texthttp://www.springerlink.com/index/10.1007/s10584-011-0267-6

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