'Exponential' may be a bit of a stretch, but world population does appear to be growing rapidly. We've grown from 3 billion people in 1960 to 7 billion people i

'Exponential' may be a bit of a stretch, but world population does appear to be growing rapidly. We've grown from 3 billion people in 1960 to 7 billion people in 2012, I'd consider that to be fairly rapid: http://www.google.co.uk/search?q=human+population+growth&prmd=ivns&source=lnms&tbm=isch&sa=X&ved=0ahUKEwirxvC6nr7LAhUDPRoKHUlqARAQ_AUIBigB#mhpiv=6 http://www.google.co.uk/search?q=human+population+growth&prm...