Al Gore announces Live Earth

Following on the heels of Live8 and LiveAid, Al Gore has announced plans for a worldwide 24 hour rock concert to raise awareness on Global Warming July 7th called LiveEarth.
According to the initial announcement the concert will take place over all 7 continents (with dramatic effects of a performance on a melting glacier in Antarctica perhaps?) and already announced to perform are U2 (of course), Red Hot Chili Peppers, Dave Matthews Band, Rolling Stones, Snoop Dogg, Faith Hill, Foo Fighters, Lenny Kravitz, Sheryl Crow, Melissa Etheridge, John Mayer, Duran Duran, Korn, Pharrell, the Black Eyed Peas, Bon Jovi, Akon, Enrique Iglesias, Fall Out Boy, AFI, John Mayer, Damien Rice, Corrine Bailey Rae, Keane, Kelly Clarkson, Korn, Faith Hill and Tim McGraw.
Besides music performances there will be short films and educational presentations.
The event will be broadcast in over 120 countries (on NBC and 7 other cable networks in the US) and also webcast on MSN.
Locations listed as of now are Shanghai, Sydney, Rio de Janeiro, Washington D.C., London, Johannesburg, with the show ending in Kyoto.