Differences among models reviewed include the cost levels used, the economic assumptions, model approach (bottom-up or top-down), and the mitigation options considered. The economic mitigation potential for developing countries is not provided separately. However, it is highlighted that for developing countries the most cost-effective mitigation options in forestry are reducing deforestation, sustainable forest management and afforestation (Nabuurs et al., Regional breakdowns show that reduced deforestation dominates as the most cost-effective forestry option for Latin America and Middle East and Africa regions, whereas forest management dominates the Asia region (Smith et al.,