Most of the carbon dioxide produced by the United States goes up into the atmosphere, rather than being sopped up by forests and fields.

Field, C.B., and I.Y. Fung. 1999. The not-so-big U.S. carbon sink. Science 285(July 23):544.

Houghton, R.A., J.L. Hackler, and K.T. Lawrence. 1999. The U.S. carbon budget: Contributions from land-use change. Science 285(July 23):574.

Monastersky, R. 1998. Where has all the carbon gone? Science News 154(Nov. 21):332.

Song-Miao Fan
Princeton University
Department of Atmospheric and Oceanic Sciences
314 Sayre Hall
Princeton, NJ 08544

Inez Y. Fung
University of California, Berkeley
Center for Atmospheric Sciences
Berkeley, CA 94720

Richard A. Houghton
Woods Hole Research Center
P.O. Box 296
Woods Hole, MA 02543

From Science News, Vol. 156, No. 4, July 24, 1999, p. 54. Copyright © 1999, Science Service.