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Carbon Dioxide Sequestration A Solution to a Global Problem

¹ Biogéochimie et Géochimie Expérimentale
LMTG-Université de Toulouse-CNRS-IRD-OMP
14 av. Edouard Belin, 31400 Toulouse, France
E-mail: oelkers{at}lmtg.obs-mip.fr
² Chemical Science Division, Oak Ridge National Laboratory
Oak Ridge, TN 37831, USA
E-mail: coledr{at}ornl.gov

Human and industrial development over the past hundred years has led to a huge increase in fossil fuel consumption and CO₂ emissions, causing a dramatic increase in atmospheric CO₂ concentration. This increased CO₂ is believed to be responsible for a significant rise in global temperature over the past several decades. Global-scale climate modeling suggests that the temperature increase will continue, at least over the next few hundred years, leading to glacial melting and rising sea levels. Increased atmospheric CO₂ also leads to ocean acidification, which will have drastic consequences for marine ecosystems. In an attempt to solve these problems, many have proposed the large-scale sequestration of CO₂ from our atmosphere. This introductory article presents a summary of some of the evidence linking increasing atmospheric CO₂ concentration to global warming and ocean acidification and our efforts to stem this rise though CO₂ sequestration.

KEYWORDS: global carbon cycle, CO₂ sequestration, global warming, ocean acidification

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