For more info visit these web sites:

http://www.igc.apc.org

http://www.ns.doe.ca/action21/who.html

http://www.un.org

http://www.igc.org/habitat/agenda21/index.html

http://www.iisd.ca/linkages/voltoc.html

http://www.ecouncil.ac.cr/rio/preforum.htm