The program on Reducing Emissions from Deforestation and Forest Degradation (REDD+) is one of the major attempts to tackle climate change mitigation in developing countries. REDD+ seeks to provide result-based incentives to promote emission reductions and increase carbon sinks in forest land while promoting other cobenefits, such as the conservation of biodiversity. We model different scenarios of international REDD+ funds distribution toward potential recipient countries using 2 carbon emission reduction targets (20% and 50% compared to the baseline scenario, i.e., deforestation and forest degradation without REDD+) by 2030. The model combines the prioritization of environmental outcomes in terms of carbon sequestration and biodiversity conservation and social equity, accounting for the equitable distribution of international REDD+ funds. Results highlight the synergy between carbon sequestration and biodiversity conservation under alternative fund allocation criteria, especially for scenarios of low carbon emission reduction. Trade-offs increase when distributional equity is considered as an additional criterion, especially under higher equity requirements. The analysis helps to better understand the inherent trade-offs between enhancing distributional equity and meeting environmental targets under alternative REDD+ fund allocation options.

译文

:减少森林砍伐和森林退化造成的排放计划(REDD)是解决发展中国家减缓气候变化的主要尝试之一。 REDD寻求提供基于结果的激励措施,以促进减排并增加林地的碳汇,同时促进其他协同效益,例如保护生物多样性。我们使用20个碳减排目标(与基准情景相比分别为20%和50%,即到2030年不使用REDD的森林砍伐和森林退化)来模拟向潜在接收国分配国际REDD资金的不同方案。该模型结合了环境优先级碳封存,生物多样性保护和社会公平方面的成果,说明了国际REDD资金的公平分配。结果突出显示了在替代性资金分配标准下,固碳与生物多样性保护之间的协同作用,特别是对于低碳排放的情景。当将分配权益作为附加标准时,折衷会增加,尤其是在较高的权益要求下。该分析有助于更好地了解在分配REDD资金分配方案下提高分配公平性与实现环境目标之间的内在取舍。

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