Live Earth global concert - Save Our Selves campaign w/Al Gore July 6, 2007

LOS ANGELES - Al Gore, the former vice president and now hit documentary maker, on Thursday added rock promoter to his resume, announcing plans for a 24-hour concert series on all seven continents to highlight, you guessed it, the dangers of global warming.

With a powerhouse lineup of acts from the Red Hot Chili Peppers to Snoop Dogg to Bon Jovi, what's being called "Live Earth" aims to gather more than 100 of the world's top musicians on July 7 — and attract 2 billion viewers, most of them via television, radio and the Web.