http://www.unep.org/wed/2008/english/About_WED_2008/index.asp
World Environment Day, commemorated each year on 5 June, is one of the principal vehicles through which the United Nations stimulates worldwide awareness of the environment and enhances political attention and action.
80 ways to Celebrate World Environment Day
Visit http://www.unep.org/wed/2008/english/Information_Material/Alphabet.asp
Twelve Steps to Help You Kick the CO2 Habit
http://www.unep.org/wed/2008/english/Information_Material/factsheet.asp