1. P. J. Sellers is at the NASA Johnson Space Center, Mail Code CB, Houston, TX 77058, USA.
2. R. E. Dickinson is in the Department of Atmospheric Sciences, University of Arizona, Tucson, AZ 85721, USA.
3. D. A. Randall is in the Atmospheric Sciences Department, Colorado State University, Fort Collins, CO 80523, USA.
4. A. K. Betts is at Atmospheric Research, Rural Route 3, Box B3125, Pittsford, VT 05763, USA.
5. F. G. Hall and G. J. Collatz are at NASA Goddard Space Flight Center, Code 923, Greenbelt, MD 20771, USA.
6. J. A. Berry and C. B. Field are in the Department of Plant Biology, Carnegie Institution, Stanford, CA 94305, USA.
7. A. S. Denning is in the School of Environmental Science and Management, University of California, Santa Barbara, CA 93106-5131, USA.
8. H. A. Mooney is in the Department of Biological Sciences, Stanford University, Stanford, CA 94305, USA.
9. C. A. Nobre is at INPE/CPTEC, Caixa Postal 01, cep 12630-000, Cachoeira Paulista, SP, Brazil.
10. N. Sato is in the Numerical Prediction Division, Japan Meteorology Agency, 1-3-4, Ootemachi, Chiyoda-ku, Tokyo, Japan 100.
11. A. Henderson-Sellers is at the Royal Melbourne Institute of Technology, Plenty Road, Post Office Box B71, Bundoora, VIC 3083, Australia.