Gisele Bündchen and Don Cheadle are battling it out to see who will rally the most people to help them build a new forest for the United Nations Enviroment Programme's World Environment Day on June 5, 2011.
Watch the video below for more details on the challenge and how you can take part in this and support either team Gisele or team Don. P.S: Gisele has pledged to plant a tree for every activity registered in her name, while Don Cheadle has pledged to plant two in hopes of gathering more supporters!
For more info and for registering your name enter here.
So, which team will you be on??