'I've stepped in the middle of seven sad forests I've been out in front of a dozen dead oceans I heard the roar of a wave that could drown the whole world.'
Bob Dylan song adopted by Copenhagen climate summit
By Barbara Plett BBC UN correspondent, New York
Bob Dylan has star billing at the climate change summit in Copenhagen… or at least, his music does.
The United Nations has adopted one of his songs, A Hard Rain's A Gonna Fall, as its unofficial anthem for the talks.