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2C or not 2C?

Author

Listed:
  • Céline Guivarch

    (CIRED - centre international de recherche sur l'environnement et le développement - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EHESS - École des hautes études en sciences sociales - AgroParisTech - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique)

  • Stéphane Hallegatte

    (CIRED - centre international de recherche sur l'environnement et le développement - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EHESS - École des hautes études en sciences sociales - AgroParisTech - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique)

Abstract

Political attention has increasingly focused on limiting warming to 2°C. However, to date the only mitigation commitments accompanying this target are the so-called Copenhagen pledges, and these pledges appear to be inconsistent with the 2°C objective. Diverging opinions on whether this inconsistency can or should be resolved have been expressed. This paper clarifies the alternative assumptions underlying these diverging view points and explicits their implications. It first gives simple visualizations of the challenge posed by the 2°C target. It then proposes a “decision tree”, linking different beliefs on climate change, the achievability of different policies, and current international policy dynamics to various options to move forward on climate change.
(This abstract was borrowed from another version of this item.)

Suggested Citation

  • Céline Guivarch & Stéphane Hallegatte, 2012. "2C or not 2C?," Post-Print halshs-00799515, HAL.
    • Handle: RePEc:hal:journl:halshs-00799515
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    Cited by:

    1. Audoly, Richard & Vogt-Schilb, Adrien & Guivarch, Céline & Pfeiffer, Alexander, 2018. "Pathways toward zero-carbon electricity required for climate stabilization," Applied Energy, Elsevier, vol. 225(C), pages 884-901.
    2. Baptiste Perrissin Fabert & Etienne Espagne & Antonin Pottier & Patrice Dumas, 2012. "The "Doomsday" Effect in Climate Policies: Why is the Present Decade so Crucial to Tackling the Climate Challenge?," Post-Print hal-00800879, HAL.
    3. Pezzey, John C.V. & Burke, Paul J., 2014. "Towards a more inclusive and precautionary indicator of global sustainability," Ecological Economics, Elsevier, vol. 106(C), pages 141-154.
    4. Li, Francis G.N. & Trutnevyte, Evelina & Strachan, Neil, 2015. "A review of socio-technical energy transition (STET) models," Technological Forecasting and Social Change, Elsevier, vol. 100(C), pages 290-305.
    5. Baptiste Perrissin Fabert & Antonin Pottier & Etienne Espagne & Patrice Dumas & Franck Nadaud, 2014. "Why are climate policies of the present decade so crucial for keeping the 2 °C target credible?," Climatic Change, Springer, vol. 126(3), pages 337-349, October.

    More about this item

    Keywords

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    JEL classification:

    • Q5 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics
    • Q58 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Government Policy

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