Australian Prime Minister Kevin Rudd addresses the Lowy Institute on 'Australia, the Region and the World: The Challenges Ahead' in Sydney on November 6, 2009. Powerful climate change skeptics were 'holding the world to ransom', PM Rudd said as he warned of fear campaigns designed to derail global talks at the Copenhagen summit. Getty Images logo Getty Images 27 months ago

Australian Prime Minister Kevin Rudd addresses the Lowy Institute on 'Australia, the Region and the World: The Challenges Ahead' in Sydney on November 6, 2009. Powerful climate change skeptics were 'holding the world to ransom', PM Rudd said as he warned of fear campaigns designed to derail global talks at the Copenhagen summit.