Guest
Shows with Peter Ward
- Climate Change and Mass Extinctions with Peter WardCoast to Coast AM · May 2, 2001
- Rare Earth Hypothesis with Peter WardCoast to Coast AM · April 3, 2004
- Mass Extinctions and Climate Change with Peter WardCoast to Coast AM · March 20, 2005
- Climate and Extinction with Peter WardCoast to Coast AM · October 15, 2006
- Greenhouse Extinctions with Peter WardCoast to Coast AM · May 26, 2007
- Extinctions and Climate Change with Peter WardCoast to Coast AM · May 17, 2009
- Gulf Oil Spill with Peter WardCoast to Coast AM · July 23, 2010