An Interdisciplinary Perspective on Carbon Capture and Storage Assessment Methods

John Michael Humphries Choptiany, Ron Pelot and Kate Sherren

Journal of Industrial Ecology, 2014, vol. 18, issue 3, 445-458

Abstract: type="main">

Climate change is one of the most serious threats facing humankind. Mitigating climate change will require a suite of actions to reduce greenhouse gas emissions. Carbon capture and storage (CCS) is a new technology aimed at mitigating climate change by capturing and storing carbon dioxide, typically in deep geological reservoirs. CCS has risks characteristic of new technologies, as well as risks unique to this technology and its application. Large-scale CCS decision making is complex, encompassing environmental, social, and economic considerations and requiring the risks to be taken into consideration. CCS projects have been cancelled as a result of inadequate assessments of risks. To date, studies assessing CCS have been limited mostly to environmental, social, and economic fields in isolation from each other, predominantly using life cycle assessments (LCAs), cost benefit analyses (CBAs), or surveys of public perception. LCAs, CBAs, and surveys of public perception all have limitations for assessing difficult multifaceted problems. Incompatibilities across CCS assessment methods have hindered the comparison of the results across these single-discipline studies and limited the possibility of drawing broader conclusions about CCS development. More standardization across assessment methods, study assumptions, functional units, and assessment criteria for CCS could be beneficial to the integration of multiple study results. We propose a set of criteria, which decision analysts could use to develop CCS-project–specific criteria lists in order to comprehensively assess a CCS project's viability. This list was created by determining the frequency of use of each criterion in recent studies, with a focus on their use across disciplines.

Date: 2014
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