Rockin' In The Meadowlands

Sting of The Police, left, and Kanye West, right, perform "Message In A Bottle" with John Mayer sitting in on guitar at the Live Earth concert in East Rutherford, N.J. on July 7, 2007 at Giants Stadium.

Singer Akon throws himself into the audience for a change, riding on the shoulders of one of his crew as he interacts with members of the audience at Giants Stadium in East Rutherford, N.J. Akon was one of the more than 100 performers who appeared in 9 concerts around the world as part of the 24-hour Live Earth event on July 7, 2007 to raise awareness about climate change.

Alicia Keys sings at the Live Earth concert at Giants Stadium in East Rutherford, N.J. on July 7, 2007. The stadium is located outside of New York City where Keys grew up.

Billy Corgan of Smashing Pumpkins performs at Giants Stadium in East Rutherford, N.J. at one of the 9 concerts that were part of the 24-hour Live Earth event to raise global awareness about climate change on July 7, 2007.

Dave Matthews and his band were one of the acts that performed at Giants Stadium on July 7, 2007 as part of Live Earth.

Singer Davey Havok of AFI performs onstage at Live Earth New York held at Giants Stadium on July 7, 2007 in East Rutherford, N.J.

Guitarist Fred Mascherino, left, and singer Adam Lazzara of Taking Back Sunday perform onstage during Live Earth New York at Giants Stadium on July 7, 2007 in East Rutherford, N.J.

Live Earth organizer Al Gore speaks as actress Cameron Diaz jumps for joy at the Live Earth concert at Giants Stadium in East Rutherford, N.J. on July 7, 2007. Diaz told the crowd that the day was "not about gloom and doom. It's a celebration."

Keith Urban and Alicia Keys perform a powerful duet of the Rolling Stones classic "Gimme Shelter" at the Live Earth concert at Giants Stadium in East Rutherford, N.J. on July 7, 2007. Urban said later that it was his manager's idea to perform the song and that its socially-conscious lyrics still resonate today.

Kelly Clarkson sings songs from her new album "My December" along with a few of her earlier hits at the Live Earth concert at Giants Stadium in East Rutherford, N.J. on July 7, 2007.

KT Tunstall expresses herself through song and through her t-shirt as she performs at Live Earth on July 7, 2007 in New Jersey. She performed her hits "Black Horse And The Cherry Tree" and "Suddenly I See."

Leonardo DiCaprio introduces former vice president Al Gore at the Live Earth concert held at Giants Stadium in East Rutherford, N.J. on July 7, 2007.

Ludacris performs at the Live Earth concert held at Giants Stadium in East Rutherford, N.J. on July 7, 2007.

Richie Sambora, left, and Jon Bon Jovi perform at the Live Earth concert held at Giants Stadium in East Rutherford, N.J. on July 7, 2007.

Melissa Etheridge performs at the Live Earth concert held at Giants Stadium in East Rutherford, N.J. on July 7, 2007.

Petra Nemcova introduces Ludacris at the Live Earth concert held at Giants Stadium in East Rutherford, N.J. on July 7, 2007. Nemcova, who was seriously injured in the December 2004 tsunami in Thailand and whose fiance died in the disaster, spoke about the power of nature and what she sees as the danger of not respecting the earth.

Pete Wentz of Fall Out Boy performs at Giants Stadium in East Rutherford, N.J. as part of the 24-hour Live Earth concert marathon on July 7, 2007.

Actress Rachel Weisz speaks to the crowd of 52,000 at the Live Earth concert held at Giants Stadium in East Rutherford, N.J. on July 7, 2007.

Actress Rosario Dawson speaks with the press at the Live Earth concert held at Giants Stadium in East Rutherford, N.J. on July 7, 2007.

John Mayer poses in the press room backstage at the Live Earth concert held at Giants Stadium in East Rutherford, N.J. on July 7, 2007.

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