global change research programs support research and related activities that
advance fundamental understanding of dynamic physical, biological, and
socioeconomic systems as well as interactions among those systems.
U.S. Global Change Research Information Office, Suite 250, 1717 Pennsylvania
Ave, NW, Washington, DC 20006. Tel: +1 202 223 6262. Fax: +1 202 223
3065. Email: .
Web: www.gcrio.org. Webmaster: