Wall expects the concert will reach more than two billion people. The U.S. leg will feature AFI, Alicia Keys, Akon, Bon Jovi, the Dave Matthews Band, Fall Out Boy, John Mayer, Kanye West, Kelly Clarkson, KT Tunstall, Ludacris, Melissa Etheridge, Rihanna, Roger Waters, The Smashing Pumpkins, and The Police. The concert will be broadcast on NBC in the U.S. and live on the Internet at liveearth.msn.com.

Link to Headliners Announced for Live Earth Climate Change Concert | Outside Online