Sid Astbury: Australians are keen on others saving the planet: in an opinion poll from the privately funded Lowy Institute, they rated the economy, employment, terrorism and food scarcity more problematic than global warming. It’s no surprise that Prime Minister Kevin Rudd is paying lip service to curbing climate change but not doing much about it. ‘What I would say to leaders around the world, and the community here in Australia, is that the problem of climate change and global warming …