Favorite talks
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Allan Savory: How to fight desertification and reverse climate change
22:19 Posted: Mar 2013
Views: 1,158,896 | Comments: 1160
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Wade Davis: Gorgeous photos of a backyard wilderness worth saving
06:35 Posted: Feb 2013
Views: 241,093 | Comments: 104
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Aris Venetikidis: Making sense of maps
16:36 Posted: Sep 2012
Views: 307,896 | Comments: 33
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Sheikha Al Mayassa: Globalizing the local, localizing the global
10:53 Posted: Feb 2012
Views: 328,980 | Comments: 81
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Amber Case: We are all cyborgs now
07:53 Posted: Jan 2011
Views: 690,639 | Comments: 221
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Bill Davenhall: Your health depends on where you live
09:25 Posted: Jan 2010
Views: 367,677 | Comments: 92
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Dan Buettner: How to live to be 100+
19:39 Posted: Jan 2010
Views: 1,326,475 | Comments: 230
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Carolyn Steel: How food shapes our cities
15:40 Posted: Oct 2009
Views: 434,071 | Comments: 104
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David Griffin: How photography connects us
14:53 Posted: Aug 2008
Views: 606,895 | Comments: 62
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Wade Davis: Dreams from endangered cultures
22:01 Posted: Jan 2007
Views: 976,200 | Comments: 293