Farmer Philip Bell herds his cattle down the road in search of edible grass along the verge near Goulburn, 30 April 2007. Many of his cattle have been left emaciated by the country's worst drought in a century, a prolonged dry spell that the country's most eminent scientist has linked to climate change.(AFP/File/Neil Sands)
He said the country was facing a "catastrophic" situation.
"Even a year ago this would have been unthinkable," Flannery told AFP. "I think it's the most extreme and the most dangerous situation arising from climate change facing any country in the world right now."