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Science 6 November 1998:
Vol. 282. no. 5391, p. 1025
DOI: 10.1126/science.282.5391.1025
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News Focus

ENVIRONMENT:
Pollution Permits for Greenhouse Gases?

Jocelyn Kaiser

This week, as delegates from some 180 countries gather in Buenos Aires to figure out how to reduce greenhouse gases, they will spend much of their time pondering a strategy developed in the United States: trading emissions coupons in a free market (see main text). The Clinton Administration estimates that if the market operated perfectly, such trading could save around 90% of the cost of cutting greenhouse gas emissions. But despite American high hopes, experts warn that setting up an international carbon trading program will be a delicate and difficult task.

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