The Wilson Center report on Participatory Sensinghttp://wilsoncenter.org/index.cfm?topic_id=1414&fuseaction=topics.item&news_id=533675 Congratulations & thanks to Jeff G & Katie for all of their work!! Earth Day and Mobile Phones, Part 1: Sensing for a Better WorldIf 2009 is the year of the mobile phone for social impact, then Earth Day should mark a special occasion in this regard. More and more