Storage of Carbon Dioxide in Offshore Sediments

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Science  25 Sep 2009:
Vol. 325, Issue 5948, pp. 1658-1659
DOI: 10.1126/science.1175750

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The battle to reduce greenhouse gas emissions and prevent the most dangerous consequences of climate change will be waged across multiple fronts, including efforts to increase energy efficiency; efforts to deploy nonfossil fuel sources, including renewable and nuclear energy; and investment in adaptation to reduce the impacts of the climate change that will occur regardless of the actions we take. But with more than 80% of the world’s energy coming from fossil fuel, winning the battle also requires capturing CO2 from large stationary sources and storing that CO2 in geologic repositories. Offshore geological repositories have received relatively little attention as potential CO2 storage sites, despite their having a number of important advantages over onshore sites, and should be considered more closely.

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