Climatic Change

, Volume 80, Issue 1–2, pp 127–143 | Cite as

Economic consequences of consideration of permanence, leakage and additionality for soil carbon sequestration projects

  • Brian C. MurrayEmail author
  • Brent Sohngen
  • Martin T. Ross


This paper introduces, explains, and describes methods for addressing the issues of permanence, leakage, and additionality (PLA) of agricultural soil carbon sequestration (ASCS) activities at the project level. It is important to cast these as project-level issues, because they relate to the integrity and consistency of using location-specific ASCS projects as an offset against GHG emissions generated in other sectors (e.g., energy). The underlying objective is to understand and quantify what the net carbon benefits of an ASCS project are once we account for the fact that (1) the sequestered carbon may be stored impermanently, (2) the project may displace emissions outside the project boundaries (leakage), and (3) the project’s carbon sequestration may not be entirely additional to what would have occurred anyway under business-as-usual (no project) conditions. This article evaluates methods for identifying and estimating PLA and gauges the potential magnitude of these effects on the economic returns to a project.


Carbon Sequestration Conventional Tillage Conservation Tillage Conservation Reserve Program Agri Econ 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • Brian C. Murray
    • 1
    Email author
  • Brent Sohngen
    • 2
    • 3
  • Martin T. Ross
    • 3
  1. 1.Nicholas Institute for Environmental Policy Solutions, Duke UniversityDurhamUSA
  2. 2.The Ohio State UniversityColumbusUSA
  3. 3.RTI InternationalDurhamUSA

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