Following up: Out of this list of celebrities, did any actually show up at COP17? If not, why not?

Hollywood celebrities to attend Cop17

Environmentally-conscious celebrities Leonardo DiCaprio and Angelina Jolie are among some of the A-list celebrities to attend the global COP17/CMP7 climate change conference in Durban.

According to a report on www.iol.co.za, other well-known names said to be attending COP17 include politician and actor Arnold Schwarzenegger, billionaire entrepreneur Sir Richard Branson and U2 frontman Bono. All have built up reputations as environmental and political activists.