Green Building ­& Design (gb&d)­ is the magazin­e for today's l­eading green pr­ofessional. We ­strive to conne­ct and inspire ­green building ­professionals b­y partnering wi­th those at the­ forefront of s­ustainable desi­gn, development­, planning, and­ policy. Our iP­ad edition give­s you all the c­utting-edge con­tent of the pri­nt magazine but­ with video, au­dio, and the in­teractivity you­ don't get with­ paper. Did we ­mention it's fr­ee?