http://www.bbc.com/news/science-environment-29788754 27 October 2014 Last updated at 21:50 GMT By Matt McGrath Environment correspondent, BBC News Nargis, born in 2011, was named the world’s seven billionth person by Plan International…
http://en.wikipedia.org/wiki/Population_growth From Wikipedia, the free encyclopedia The estimated size of the human population from 10,000 BCE–2000 CE. In biology, population growth is the increase in the number of individuals in a population. The population growth…
http://en.wikipedia.org/wiki/Projections_of_population_growth From Wikipedia, the free encyclopedia World population estimates from 1800 to 2100, based on “high”, “medium” and “low” United Nations projections in 2010 (colored red, orange and green) and US Census Bureau…