Risk governance for geological storage of CO 2 under the Clean Development Mechanism

Melisa Pollak and Elizabeth J. Wilson

Climate Policy, 2009, vol. 9, issue 1, 71-87

Abstract: Managing local and global risks from the geological storage of CO 2 under the Clean Development Mechanism (CDM) presents three main challenges. First, the CDM procedures must be adapted to the specifics of the technology. Second, storage must last far longer than the crediting period, leaving questions about the management of long-term risks. Third, management of local environmental, health and safety risks falls largely outside the CDM governance framework. CDM procedures could be adapted to successfully manage the short-term global risk of carbon dioxide re-entering the atmosphere during the CDM crediting period, but local environmental, health and safety risks and longterm global risk cannot be ensured under existing structures. To better manage these risks, the implications for the CDM are: (1) to provide guidance on site characterization requirements, and have an independent auditor verify that the proposed geological storage site has a high likelihood of safely containing the injected carbon dioxide; (2) to require that carbon capture and storage (CCS) project design documents specify post-crediting-period commitments; and (3) to support CCS specific capacity building. But because CDM governance is designed to strike a balance between respecting host country sovereignty and ensuring high-quality emission reduction credits, some limitations to risk management of geological storage under the CDM remain. These limitations should be weighed against the potential benefits of including CCS in the CDM.

Date: 2009
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DOI: 10.3763/cpol.2008.0528

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