Huffington Post - Lets Plant a Forest - Don Cheadle

If you can’t get enough of Don & Gisele, watch this behind the scenes!

Goodwill Ambassadors Don Cheadle and Gisele Bündchen take the gloves off for the WED Challenge.

Goodwill Ambassador Gisele Bündchen's thank you message on the WED challenge

Goodwill Ambassador Don Cheadle's thank you message on the WED challenge

David de Rothschild from Plastiki Expedition takes up the challenge.

Ian Somerhalder from Vampire Diaries takes up challenge

2004 Nobel Peace Prize Laureate Wangari Maathai's quote on the WED Challenge

Ghanaian Reggae Musician and environmental activist Rocky Dawuni on the WED Challenge - A hot addition to Cheadle and Gisele's WED Challenge

The - Bündchen vs Gisele

Ad Age Blogs - Supermodel vs Actor: The Fight to Save the World

GreenTV - UNEP WED Challenge