Recorded Audio

Minnesota Public Radio Audacious science interview Sept 30, 2009
BBC (part of 2009 26-minute "One Planet", presenter Richard Hollingham, Producer Simon Watts)
KUOW
KPLU
CBC: The Current , part two audio
KBCS Dirt story
Earth  Sky: No-till Farming: Antidote To Skinning Fields? October, 2007.
Snohomish County Focus on Farming: Luncheon Talk, Part 1
Snohomish County Focus on Farming: Luncheon Talk, Part 2
The Extraenvironmentalist: Discovering Dirt April, 2011
TheRealTruthAboutHealth.com: Dirt May 18, 2011
Interview in Skepticality:        Play     or     save as...

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