2004 Wanted! Seas and Oceans – Dead or Alive?
2005 Green Cities – Plan for the Planet!
The theme of World Environment Day in 2006 - "Desert and Desertification"
2007 "Is melting glaciers a hot topic?", "MELTING ICE - A HOT TOPIC?"
The theme of World Environment Day 2008 is: Kick the Habit! Towards a Low Carbon Economy (Kick the Habit! Towards a Low Carbon Economy).