Carbon farming: Climate change mitigation via non-permanent carbon sinks

Summary

Leifeld's 2023 commentary addresses a critical debate in carbon farming: whether non-permanent carbon sinks in agriculture and forestry can deliver genuine climate mitigation. The paper counters arguments that carbon certificates lack climate value due to impermanence, arguing instead that the climate benefit of short-lived sinks is both real and quantifiable. The author proposes ex ante biophysical discounting as a methodological framework to enhance the scientific credibility and trustworthiness of carbon farming schemes.

UK applicability

The findings are directly applicable to UK policy on voluntary carbon markets and agricultural climate schemes. As the UK develops its own carbon certification standards and agricultural transition programmes, this analysis of how to account for non-permanent soil carbon storage could inform the design of more credible and effective carbon farming incentives within domestic farming systems.

Key measures

Climate benefit quantification of non-permanent terrestrial carbon sinks; ex ante biophysical discounting methodology; carbon certificate permanence and effectiveness

Outcomes reported

The paper discusses the quantifiable climate benefit of short-lived carbon sinks in agriculture and forestry, and examines how ex ante biophysical discounting can improve the credibility of carbon farming as a climate mitigation strategy. The analysis addresses whether non-permanent carbon certificates provide genuine climate benefits despite their temporal limitations.

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