Battleground Earth is a new realty series on the Discovery Network's "Planet Green" channel. The show follows celebrities Ludacris and Tommy Lee as they travel across the country to compete in various challenges to highlight green awareness. The final episode will bring the two celebrities together to co-headline a a concert at the Greek Theater in Los Angeles, which will benefit Griffith Park, a great portion of which was destroyed in a 2007 man-made fire.

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