@CNN: The world’s total fertility rate has been cut in half since 1950, but the population is still rising, according to a new study https://t.co/7G4GJxMhkC https://t.co/lQ6qIIAO80

@CNN: The world’s total fertility rate has been cut in half since 1950, but the population is still rising, according to a new study https://t.co/7G4GJxMhkC https://t.co/lQ6qIIAO80