Lam discusses sustainability for the world at 7 billion with John Hockenberry (audio)
"The World's Population Booms; Should We Be Worried? " - The Take Away. 10/28/2011.
In a discussion with John Hockenberry, David Lam expresses optimism about facing the food, environmental, economic, and resource challenges that lie ahead in a world of 7 billion people. [audio]