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Published on: October 21, 2016
Regulating the ultimate sink: managing the risks of geologic CO2 storage
Elizabeth J Wilson1, Timothy L Johnson, David W Keith
1Department of Engineering and Public Policy, 129 Baker Hall, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA. Wilson.Elizabeth@epa.gov
Geologic storage (GS) of carbon dioxide (CO2) is key for carbon management. This review examines GS risks and regulations, comparing them to current underground injection practices for better risk assessment.
Area of Science:
- Environmental Science
- Geoscience
- Policy Studies
Background:
- Carbon dioxide (CO2) management is critical.
- Geologic storage (GS) offers a potential solution.
- Limited research exists on GS regulatory frameworks and comparisons to existing practices.
Purpose of the Study:
- To review the risks and regulatory history of deep underground injection.
- To compare geologic storage with current underground injection experience.
- To focus on technical and regulatory aspects crucial for GS risk management.
Main Methods:
- Selective review of technical and regulatory aspects of deep underground injection.
- Analysis of existing underground injection activities and their regulation.
- Comparison of regulatory environments for GS and current injection practices.
Main Results:
- Deep underground injection has a complex regulatory history.
- Current underground injection practices provide a basis for assessing GS risks.
- Key technical and regulatory factors for GS risk management are identified.
Conclusions:
- Understanding the regulatory landscape is vital for effective geologic storage of CO2.
- Lessons from current underground injection can inform GS policy and practice.
- A comprehensive approach to risk assessment and management is needed for successful GS implementation.
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