Australian: HALTING the world’s rocketing population growth is the key to solving global warming — a solution that has been ignored or overlooked by leading climate change advocates. That was the warning yesterday from an Australian health expert, who said UN forecasts of a global population of more than 9 billion people by 2050 spelt disaster for the world’s ecology. Roger Short, honorary professor at the University of Melbourne’s faculty of medicine, nursing and health sciences, told a …