Just yesterday, the International Code Council’s membership of code officials put the final touches on the 2012 version of the International Green Construction Code (IGCC). For David Eisenberg – Executive Director of the Development Center for Appropriate Technology (DCAT), former USGBC Board member, and long time chair of USGBC’s Codes Committee – it was a very clear culmination of a chapter in his life story, and the product of nearly two decades of work.