Scientific and Technical Issues in the Clean Development Mechanism

This report presents the results of a workshop on Inclusion of sinks in the CDM in Wageningen, The Netherlands, 23-25 April, 2003. The workshop was organised in the frame of the European Concerted Action CarboEurope-GHG (EVK2-CT-2002-20014)
supported by the European Commission, DG Research, under the Fifth Framework Programme, Key Action Global Change and Ecosystems. The results do not necessarily reflect the Commission´s views or the view of the Carboeurope Cluster of Projects
and in no way anticipate the Commission´s future policy in this area.

The Clean Development Mechanism (CDM) has been defined in Article 12 of the Kyoto Protocol. According to the Marrakech Accords, terrestrial carbon sink projects, limited to afforestation and reforestation (AR), are allowed to be used under the CDM.
Such activities could stimulate other environmental benefits through private investments in developing countries but can also have adverse effects on biodiversity, environment and local socio-economic structures. Rules for CDM sinks projects are planned to be decided at COP9 in December 2003.

This discussion paper aims to contribute to the negotiations a scientific perspective on critical issues related to decisions to be taken during SBSTA 18 and COP9 and addressing the eligibility and implementation of CDM sinks projects, but also addresses
more general scientific and methodological issues related to the Kyoto process:

The following summary comments directly on issues related to the SBSTA mandate:
definitions, leakage, permanence, additionality, environmental and socio-economic issues.

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updated by Yvonne Hofmann,