Two thousand years ago, the Earth had about 250 million people. Today it has six billion people. Is six billion too many for Planet Earth? Gretchen Daily, Research Scientist, Center for Conservation Biology, Stanford University, Tom McMahon, Executive Director, Californians for Population Stabilization, and Stephen Moore, Visiting Scholar, Hoover Institution, Director of Fiscal Policy Studies, Cato Institute discuss whether our resources are being depleted beyond sustainable limits, or will human ingenuity continue to support an expanding population.
Recorded on Wednesday, October 21, 1998
