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Nature 458, 583-584 (2 April 2009) | doi:10.1038/458583a; Published online 1 April 2009

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Environmental science: Clean coal and sparkling water

Werner Aeschbach-Hertig1

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Subsurface storage of carbon dioxide is a major option for mitigating climate change. On one account, much of the gas sequestered in this way would end up as carbonic acid in the pore waters of the host rock.

Atmospheric concentrations of greenhouse gases, especially carbon dioxide, continue to rise at an alarming rate. We seem unable to tame our appetite for fossil fuels on a meaningful timescale, and the concept of carbon capture and storage has emerged as a serious option for reducing CO2 emissions to the atmosphere.

  1. Werner Aeschbach-Hertig is at the Institut für Umweltphysik, Universität Heidelberg, D-69120 Heidelberg, Germany.
    Email: aeschbach@iup.uni-heidelberg.de

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