Live Nation has confirmed it will promote the July 7 Live Earth concerts in London and New York.

The line-ups were announced this week, with Madonna, Red Hot Chili Peppers and Foo Fighters among the acts playing London's Wembley Stadium, and the Police, Smashing Pumpkins and Kanye West booked to play New York Giants Stadium.

Live Earth, which was founded by the event's executive producer Kevin Wall, is also being staged in China, South Africa, Japan, Australia and Brazil as part of a campaign on climate change.

Commenting on the London show, Stuart Galbraith, managing director Live Nation (UK), said in a statement, "We are very pleased to have been entrusted to stage the concert at the new Wembley Stadium in London and are anticipating massive demand for Live Earth tickets."

Tickets for the London event are being allocated by ballot at and people have until 1200 BST on April 16 to register. U.S. tickets will go on sale on at 1000 EDT on April 16.

Bruce Moran, president of Live Nation New York, added, "It is a testament to our global reach at Live Nation that we are able to stage concerts on two continents simultaneously on the same day."

Live Nation staged the Live 8 concerts in London, Philadelphia and Berlin in July 2005.