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Co-Benefits of Climate Change Mitigation Policies: Literature Review and New Results

Listed author(s):
  • Johannes Bollen

    (Netherlands Environmental Assessment Agency)

  • Bruno Guay
  • Stéphanie Jamet


  • Jan Corfee-Morlot


There are local air pollution benefits from pursuing greenhouse gases emissions mitigation policies, which lower the net costs of emission reductions and thereby may strengthen the incentives to participate in a global climate change mitigation agreement. The main purpose of this paper is to assess the extent to which local air pollution co-benefits can lower the cost of climate change mitigation policies in OECD and non-OECD countries and can offer economic incentives for developing countries to participate in a post- 2012 global agreement. The paper sets out an analytical framework to answer these questions. After a literature review on the estimates of the co-benefits, new estimates, which are obtained within a general equilibrium, dynamic, multi-regional framework, are presented. The main conclusion is that the co-benefits from climate change mitigation in terms of reduced outdoor local air pollution might cover a significant part of the cost of action. Nonetheless, they alone may not provide sufficient participation incentives to large developing countries. This is partly because direct local air pollution control policies appear to be typically cheaper than indirect action via greenhouse gases emissions mitigation. Les bénéfices connexes des politiques d'atténuation du changement climatique : Revue de la littérature et nouveaux résultats Les politiques de réduction des émissions de gaz à effet de serre ont des bénéfices en termes de pollution atmosphérique locale, ce qui diminue le coût net de ces politiques et ainsi renforce les incitations à participer à un accord mondial d'atténuation du changement climatique. Le principal objectif de ce document est d'évaluer dans quelle mesure les bénéfices connexes sur la pollution atmosphérique locale peuvent, d'une part réduire le coût des politiques d'atténuation du changement climatique dans les pays de l'OCDE et dans les pays en dehors de l'OCDE et d'autre part fournir des incitations économiques aux pays en développement à participer à un accord mondial pour l'après 2012. Le document établit un cadre d'analyse pour répondre à ces questions. Après une revue de la littérature des estimations des bénéfices connexes, de nouvelles estimations, obtenues dans un cadre d'équilibre général dynamique couvrant l'ensemble des régions du monde, sont présentées. La principale conclusion est que les bénéfices connexes de l'action climatique en termes de réduction de la pollution atmosphérique locale couvriraient une part importante du coût des politiques. Néanmoins, à eux seuls, ils seraient insuffisants pour amener les grands pays en développement à participer. Cela tient en partie au fait que l'application de mesures visant directement la pollution atmosphérique locale est généralement meilleur marché qu'une action indirecte via la réduction des émissions de gaz à effet de serre.

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Paper provided by OECD Publishing in its series OECD Economics Department Working Papers with number 693.

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Date of creation: 14 Apr 2009
Handle: RePEc:oec:ecoaaa:693-en
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