Comparing Mitigation Models Underlying Climate-Change Policies

GHG Emissions - IEA-OECD Scenarios

A new analysis by researchers at the Organisation for Economic C0-Operation and Development and the International Energy Agency explores how model structure, baseline estimates and policy assumptions influence the magnitude of estimated GHG mitigation for various proposed policies across a variety of models. The paper, “National and Sectoral GHG Mitigation Potential: A Comparison Across Models,” compares model estimates of national and sectoral greenhouse gas (GHG) mitigation potential across six key OECD GHG-emitting economies: Australia, Canada, the EU, Japan, Mexico and the United States. The paper begins:

The aim of this paper is to examine how GHG mitigation potential results from models used by countries for policy-making (i.e. own-country models) compare with results from other available models. A comparative analysis of model results can serve to: (i) identify robust results across models; (ii) enhance understanding of what is driving the differences; and (iii) indicate possible gaps and areas for improvement. Overall, such a comparative analysis can contribute to a better informed climate change policy-making process.

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