groks348 Charles Lee and Frank Ling audio groks Humans have evolved to become the dominant life form on the planet, but in the process have extracted a heavy toll on the environment. On this program, Prof. Paul Ehrlich discussed human population biology and its relation to the environment. 2008-11-05 2008 science; biology; ecology; population studies http://creativecommons.org/licenses/by-nc-sa/3.0/us/ 2008-11-06 02:31:49 2008-11-06 02:30:16 groks@hotmail.com Charles Lee and Frank Ling Groks Science Radio Show Podcast 29:45 Visit the Groks Science Show Website at: WWW.GROKS.NET 2008-11-06 02:36:41 groks