Why The Pessimists Are Wrong

"Despite the Global Food Crisis of 2007-8, the coming famine hasn't happened yet. It is a looming planetary emergency...it is arriving even faster than climate change." That's the vision of famine that awaits us, says Australian science writer Julian Cribb. And he's far from alone. "The world is in transition from an era of food abundance to one of scarcity," says the environmentalist Lester Brown.