The New York Times asked me and three other people the following question: "The Icelandic volcano that disrupted global air travel last week raised a concern: should we be thinking of alternative ways to move masses of people and goods?" My answer: bring back blimps (and dirigibles).
http://www.boingboing.net/2010/04/22/bring-back-blimps.html?utm_source=twitterfeed&utm_medium=twitter