Shannon O’Donnell is a long-term traveler and former National Geographic Traveler of the Year on the road since 2008; she travels slowly and supports grassroots tourism along the way. She founded A Little Adrift and is an acclaimed travel speaker who works with universities and businesses all over the U.S. to talk about the value in using travel as a force for good. This conversation opened up so much insight into sustainable travel and behind the scenes of volunteer organizations abroad. I c...