Idolator

- Justin Timberlake is your "surprise" Live Earth guest in London. [NME]
- Also in London, Ricky Gervais will once again be given the chance to make an audience at Wembley Stadium feel incredibly awkward, and Madonna is going to play that terrible Martika ripoff as part of her set. [MTV UK]
- Live Earth Rio has been cancelled by a judge, who claims that the police are "too busy" to protect spectators; concert organizers are hoping to overturn the decision. What this means for Xuxa's involvement in the day is at present uncertain, although we'd like to invite her to come up for the Giants Stadium leg and say hi. [Reuters]

- The day's biggest test? Cleaning up all the garbage. [Reuters via Canada.com]
- Virtual world Zwinktopia is counterprogramming the all-day affair with a concert featuring Kelly Rowland, Hinder, and Scott Ian. Wait, does this mean that Judge Dredd has a Zwinky? [PRNewswire]