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Summary: Electrochemical Acceleration of
Chemical Weathering as an
Energetically Feasible Approach to
Mitigating Anthropogenic Climate
Change
K U R T Z E N Z H O U S E , * ,
C H R I S T O P H E R H . H O U S E ,
D A N I E L P . S C H R A G , , §
A N D
M I C H A E L J . A Z I Z §
Department of Earth and Planetary Sciences, Harvard
University, Cambridge Massachusetts 02138, Department of
Geosciences, Pennsylvania State University, University Park,
Pennsylvania 16802, and Harvard School of Engineering and
Applied Sciences, Cambridge Massachusetts 02138
Received January 23, 2007. Revised manuscript received
September 24, 2007. Accepted September 27, 2007.
We describe an approach to CO2 capture and storage from
the atmosphere that involves enhancing the solubility of CO2 in
the ocean by a process equivalent to the natural silicate
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