After the success of documentary movie Earth Disney will plant 500,000 trees on Earth Day (22nd April 2009).
The executives agreed to plant a tree for every ticket bought during the film's first week. The movie opens in America on Wednesday.
Earth is Disneynature's first film.
Disney boss Mark Zoradi says, "With half a million new trees committed so far, Disneynature's first film is already making an impact on the world - and Earth hasn't even opened yet.
"We're so pleased that moviegoers have embraced this film and our tree-planting initiative to this degree and we expect the numbers to keep climbing."
Five years in the making, Earth follows the influence of the sun on life on the planet.
The film is narrated by actor James Earl Jones and follows the stories of three animal families as they travel the world.
Earth offers us a chance to recognise and celebrate the beauty of our planet; whilst at the same time it serves as a timely reminder of the ecological fragility of our planet and the creatures that live on it.