World population to hit 7 billion this year
According to the Population Reference Bureau (PRB) the world population is due to hit seven billion by 2011. This occurs as it hit six billion only 12 years ago, and five billion 24 years...
According to the Population Reference Bureau (PRB) the world population is due to hit seven billion by 2011. This occurs as it hit six billion only 12 years ago, and five billion 24 years...