Live Earth 07/07/2007
via Think Progress:
Gore unveils Live Earth.
Al Gore announced on Thursday a series of worldwide concerts to focus on the threat of climate change, with a powerhouse lineup from the Red Hot Chili Peppers to Snoop Dogg to Bon Jovi.” The 24-hour event on 7/07/07 is part of a campaign called Save Our Selves (SOS) — The Campaign for a Climate in Crisis.
Here's the link to the Live Earth website.