World population reaches 8 billion people, U.N. says

The United Nations estimates that the world’s population will reach 8 billion by 2025. Much of this growth is coming from Africa and developing countries. The story is by Ian Lee, CBS News’ foreign correspondent from London.

The author of 5 books, 3 of which are New York Times bestsellers. I’ve been published in more than 100 newspapers and magazines and am a frequent commentator on NPR.