To reverse climate change, we need to build an atmospheric carbon collector the size of the Great Wall of China, find a giant aquifer, and dump millions of tons of captured CO_2 into it. Repairing the climate could be that simple, or at least that is what climate scientist Wallace Broecker and science writer Robert Kunzig propose in Fixing Climate: What Past Climate Changes Reveal About the Current Threat-and How to Counter It (Hill and Wang, $25). Fixing Climate gives a colorful history of a few of the theories and some of the people that have identified the course of catastrophic climate change. The book deftly explores how we arrived at the point where climate change is no longer preventable and will continue even if we all adopt sustainable alternatives the day after tomorrow.
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