Paranoid Bono showed Gore around his green home

Rocker Bono poked fun at his green credentials during a conference with Al Gore on Thursday , revealing how he went to great lengths to show the former US vice president how environmentally friendly his home is.

The U2 frontman and Nobel Prize winner Gore were discussing climate change and global poverty, while sitting on a World Economic Forum panel in Davos, Switzerland when the singer decided to inject some fun into the proceedings.