April 17, 2003. Published in a special education issue of the Urban Regional Information Systems Association (URISA) Journal, this paper describes the pedagogical strategies used in a CCNMTL e-seminar, "Environmental Sustainability: Perspectives on the World." The refereed paper was written by, Ryan Kelsey (CCNMTL) and Mark Becker (CIESIN), and it explores potential benefits of GIS tools for the teaching and learning of environmental science. (URISA Journal Vol.15 No.1)