Abstract
Concerns have been raised that near-term black carbon abatement strategies for global warming mitigation would interfere with the longer-term CO2 abatement efforts. In response, we put forward a “combined target and metric approach”, a theoretical framework, in which the time horizon of the metric is linked to the specific target of the climate policy. In this approach, a shorter time horizon for the metric is justified only when the overall climate policy is tightened; the lower the target level of the climate policy, the earlier the year of the target. Employing a consistent time perspective for the metric and target means that enhanced near-term reduction of short-lived climate forcers does not reduce the importance of the CO2 abatement, since the overall climate target is stricter.
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Berntsen, T., Tanaka, K. & Fuglestvedt, J.S. Does black carbon abatement hamper CO 2 abatement?. Climatic Change 103, 627–633 (2010). https://doi.org/10.1007/s10584-010-9941-3
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DOI: https://doi.org/10.1007/s10584-010-9941-3