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Flexible Multi-gas Climate Policies

I analyse the costs of policies aimed at stabilising global climate change. I show that abatement of all major greenhouse gases is important to the costs of climate policies and that flexible reduction of methane and other non-CO2 gases may reduce costs significantly. The non-CO2 gases offer many low-cost abatement options and this reduces the need for abatement of CO2 to stabilise climate change. Multi-gas flexibility may be important if climate policies reflect not only long-term stabilisation, but also the rate at which the climate changes, as the latter may require large reductions in emissions in the short-term.

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Energy Specializations: Energy Modeling – Other; Energy and the Environment – Climate Change and Greenhouse Gases; Energy and the Environment – Air Emissions (other than greenhouse gases); Energy and the Environment – Policy and Regulation

JEL Codes:
C59 - Econometric Modeling: Other
Q54 - Climate; Natural Disasters and Their Management; Global Warming
Q52 - Pollution Control Adoption and Costs; Distributional Effects; Employment Effects
E60 - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook: General

Keywords: Climate policy, Flexible multi-gas mitigation, EDGE model, Efficient abatement options

DOI: 10.5547/ISSN0195-6574-EJ-VolSI2006-NoSI3-8

Published in Multi-Greenhouse Gas Mitigation and Climate Policy, Special Issue #3 of The Quarterly Journal of the IAEE's Energy Economics Education Foundation.