Restoring credibility in carbon offsets through systematic ex post evaluation

IF 27.1 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Philippe Delacote, Sylvain Chabé-Ferret, Anna Creti, Katharyn Duffy, Micah Elias, Alejandro Guizar-Coutiño, Ben Filewod, Ben Groom, Andreas Kontoleon, Gwenole LeVelly, Tara L’Horty, Anouch Missirian, Thales A. P. West
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引用次数: 0

Abstract

A key factor undermining the credibility of carbon offsets is the evaluation of project baselines and their impact. The ex ante scenarios constructed by project developers in accordance with rules set by certification schemes have been challenged by ex post evaluations from scientists, who frequently document cases of credit allocations that overestimate the actual emission reductions. Increasing credibility requires methodologies that reliably measure project outcomes and prevent overcrediting—an objective that ex post evaluations may be well suited to achieve. We explore how systematic ex post evaluations could restore credibility to certification schemes in the voluntary carbon market. Inaccuracies in the evaluation of project impacts, even under ex ante scenarios, can cause overestimation or underestimation of carbon offsets. This study shows the potential of systematic ex post evaluations to enhance the credibility of voluntary carbon market schemes.
通过系统的事后评估恢复碳抵消的可信度
破坏碳补偿可信性的一个关键因素是对项目基线及其影响的评估。项目开发人员根据认证制度制定的规则预先构建的情景受到了科学家事后评价的挑战,他们经常记录信用分配过高估计实际减排量的案例。增加可信性需要可靠地度量项目结果和防止信用过高的方法——事后评估可能非常适合实现这一目标。我们探讨了系统的事后评估如何在自愿碳市场中恢复认证计划的可信度。即使在预先设想的情况下,项目影响评估的不准确也可能导致对碳抵消的高估或低估。这项研究显示了系统的事后评价在提高自愿碳市场计划的可信度方面的潜力。
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来源期刊
Nature Sustainability
Nature Sustainability Energy-Renewable Energy, Sustainability and the Environment
CiteScore
41.90
自引率
1.10%
发文量
159
期刊介绍: Nature Sustainability aims to facilitate cross-disciplinary dialogues and bring together research fields that contribute to understanding how we organize our lives in a finite world and the impacts of our actions. Nature Sustainability will not only publish fundamental research but also significant investigations into policies and solutions for ensuring human well-being now and in the future.Its ultimate goal is to address the greatest challenges of our time.
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