A few years back, the PGAV Zoo Design Specialty Development Team worked through a group exercise examining the state of 'greeness' in zoos and aquariums. At that time, these facilities seemed to be participating in green practices in a generally superficial manner. Today, things are turning around, environmental responsibility is becoming a top priority, and some institutions are truly becoming green leaders--not only talking the talk, but walking the walk. In my most recent Blooloop.com post, I examine the state of green in zoos and aquariums today. Check it out here.