Effort sharing in ambitious, global climate change mitigation scenarios

Tommi Ekholm (Corresponding Author), Sampo Soimakallio, Sara Moltmann, Niklas Höhne, Sanna Syri, Ilkka Savolainen

Research output: Contribution to journalArticleScientificpeer-review

48 Citations (Scopus)

Abstract

The post-2012 climate policy framework needs a global commitment to deep greenhouse gas emission cuts. This paper analyzes reaching ambitious emission targets up to 2050, either ‐10% or ‐50% from 1990 levels, and how the economic burden from mitigation efforts could be equitably shared between countries. The scenarios indicate a large low-cost mitigation potential in electricity and industry, while reaching low emission levels in international transportation and agricultural emissions might prove difficult. The two effort sharing approaches, Triptych and Multistage, were compared in terms of equitability and coherence. Both approaches produced an equitable cost distribution between countries, with least developed countries having negative or low costs and more developed countries having higher costs. There is, however, no definitive solution on how the costs should be balanced equitably between countries. Triptych seems to be yet more coherent than other approaches, as it can better accommodate national circumstances. Last, challenges and possible hindrances to effective mitigation and equitable effort sharing are presented. The findings underline the significance of assumptions behind effort sharing on mitigation potentials and current emissions, the challenge of sharing the effort with uncertain future allowance prices and how inefficient markets might undermine the efficiency of a cap-and-trade system.
Original languageEnglish
Pages (from-to)1797-1810
JournalEnergy Policy
Volume38
Issue number4
DOIs
Publication statusPublished - 2010
MoE publication typeA1 Journal article-refereed

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Climate change
global climate
mitigation
cost
Costs
agricultural emission
Gas emissions
Greenhouse gases
environmental policy
electricity
greenhouse gas
Electricity
climate change mitigation
Economics
market
industry
economics
Industry
developed country

Keywords

  • Climate change mitigation
  • Effort sharing
  • Scenario

Cite this

Ekholm, T., Soimakallio, S., Moltmann, S., Höhne, N., Syri, S., & Savolainen, I. (2010). Effort sharing in ambitious, global climate change mitigation scenarios. Energy Policy, 38(4), 1797-1810. https://doi.org/10.1016/j.enpol.2009.11.055
Ekholm, Tommi ; Soimakallio, Sampo ; Moltmann, Sara ; Höhne, Niklas ; Syri, Sanna ; Savolainen, Ilkka. / Effort sharing in ambitious, global climate change mitigation scenarios. In: Energy Policy. 2010 ; Vol. 38, No. 4. pp. 1797-1810.
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Ekholm, T, Soimakallio, S, Moltmann, S, Höhne, N, Syri, S & Savolainen, I 2010, 'Effort sharing in ambitious, global climate change mitigation scenarios', Energy Policy, vol. 38, no. 4, pp. 1797-1810. https://doi.org/10.1016/j.enpol.2009.11.055

Effort sharing in ambitious, global climate change mitigation scenarios. / Ekholm, Tommi (Corresponding Author); Soimakallio, Sampo; Moltmann, Sara; Höhne, Niklas; Syri, Sanna; Savolainen, Ilkka.

In: Energy Policy, Vol. 38, No. 4, 2010, p. 1797-1810.

Research output: Contribution to journalArticleScientificpeer-review

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Ekholm T, Soimakallio S, Moltmann S, Höhne N, Syri S, Savolainen I. Effort sharing in ambitious, global climate change mitigation scenarios. Energy Policy. 2010;38(4):1797-1810. https://doi.org/10.1016/j.enpol.2009.11.055