World population will reach 7 billion

The UN's forecasters have estimated that Oct. 31 is the day world's population passes the 7 billion mark. http://www.cbsnews.com/8301-18563_162-20127508/world-population-will-reach-7-billion/?tag=broadcast http://www.cbc.ca/news/technology/story/2011/10/27/f-population-big-numbers.html