Yesterday, the guys at Genzyme (NASDAQ: GENZ) held a conference call with green bloggers to discuss their green building efforts. As far as I know, Genzyme is one of the first bio-tech firms to really embrace and enter the green building space. Led by Rick Mattila, director of enviornmental affairs, and Lisa Hartman, principal environmental engineer, the group discussed the Genzyme Center (corporate headquarters) based in Cambridge, Mass., which was awarded the LEED-Platinum certification, the highest green rating a building can receive. When asked what was the biggest bang for their buck in building the Genzyme Center, Rick responded...