The concert will take place this June and is being created to build support for a U.N. climate pact in Paris among more than 190 nations in December. Williams and Gore are working with producer Kevin Wall to create the concert.
The Boomtown Rats frontman Geldof pulled together the Band Aid supergroup to record 'Do They Know It's Christmas?' in 1984. Now he says a new line-up, which could include One Direction, Ed Sheeran, and Sam Smith, will re-record the song.