Life Matters

How many people can the Earth really support, and should we be having children in an over-populated world?
 
With author Paul Ehrlich; journalist Eric Geis; Professor of Populations Joel Cohen; Erle Ellis, environmental scientist at the University of Maryand, US; Simon Ross, CEO of Population Matters; and author Alan Wiseman.
 
Broadcast on RTÉ Radio 1, Ireland.