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Science 10 July 1998:
Vol. 281. no. 5374, pp. 156 - 158
DOI: 10.1126/science.281.5374.156
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News Focus

CLIMATE CHANGE:
Warming's Unpleasant Surprise: Shivering in the Greenhouse?

Richard A. Kerr

At a conference last month in Snowbird, Utah, researchers heard overwhelming evidence that the so-called "conveyor belt" current that warms northern Europe and adjacent Asia has repeatedly slackened and at times even shut off during the past 100,000 years, in concert with dramatic climate shifts around the hemisphere. And computer models suggest that, ironically, the greenhouse's moister air could also squelch the conveyor belt--with potentially alarming repercussions. The prospect underscores the oceans' power over climate, also featured in the Special Section beginning on page 189.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)