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. Last Updated: 07/27/2016

Live Earth Concerts Aim for Activism

EAST RUTHERFORD, New Jersey -- In a 24-hour music marathon spanning seven continents, rock stars sharing the spotlight with aboriginal elders and famous scientists urged fans to turn interest in the Live Earth events into environmental activism.

"Put all of this energy in your heart and help us solve the climate crisis," said former U.S. Vice President Al Gore, appearing onstage at the end of the final concert Saturday, staged at Giants Stadium in New Jersey.

With other shows in London, Sydney, Tokyo, Kyoto, Shanghai, Hamburg, Johannesburg, Rio de Janeiro -- and even a performance by a band of scientists at a research station in Antarctica -- organizers called Live Earth the biggest musical event ever staged, dwarfing the Live Aid and Live 8 concerts.

Live Earth venues featured aboriginal elders, chimpanzee calls from scientist Jane Goodall, a holographic Gore and more than 100 of the biggest names in music -- including Bon Jovi, Smashing Pumpkins, Metallica and The Police.

The concerts were backed by Gore, whose campaign to force global warming onto the international political stage inspired the event. Musicians and celebrities at each show encouraged fans to take little steps, such as not leaving electrical devices plugged in when not in use and changing to low-energy light bulbs.

The Police, led by frontman Sting, was the last act to perform in the global concert series. They were joined on stage by John Mayer and Kanye West for a version of "Message in a Bottle."

At the London show, the stadium's lights were turned off before Madonna, the closing act, came onstage, leaving the venue dark except for the glow of exit lights and the flashes of cameras.

Gore called on the crowd to commit themselves to a seven-point pledge to combat global warming, including steps such as demanding a moratorium on building new coal-powered plants and fighting for more renewable energy.

"I would like to ask each and every one of you to answer the call," Gore said.