More than 40 years ago, American biologist Paul Ehrlich sketched a doomsday scenario for planet Earth in his book The Population Bomb. Adding more people to the planet would inevitably lead to mass starvation and ecological disaster. Since the publication of the book, the global population has nearly doubled but most of its gloomy predictions have not come true. However, this has not stopped its author from campaigning against further population growth, this time in Australia. As he prepared for a series of lectures to the Environment Institute at the University of Adelaide, Ehrlich warned that Australia was full. As...
