Age: After this weekend's climate conference in Copenhagen, Fairfax Media sat down with three of the Intergovernmental Panel on Climate Change'sleading experts -- two of them Australian - to ask them about the latest science, and the options and challenges facing the world.
The ocean expert:"You can look at sea levels and say 'gee, this is a depressing story'. But you can also say there's an opportunity to change it."
Quiet-voiced, bushy-bearded Dr John Church, who works in Tasmania for the CSIRO,...