Deutsche Presse Agentur: A predicted rapid rise in global population to 8 billion by 2030 is set to unleash a “perfect storm” of food shortages, scarce water and energy crises that would fuel mass migration, conflict and unrest, British scientists have warned. “There are dramatic problems out there, particularly with water and food but energy also, and they are all intimately connected,” said Professor John Beddington, the British government’s chief scientist. “You can’t think about dealing with one …