Source: Guardian Glass Did you know?... Up to one billion bird deaths in the United States are attributed to collisions with buildings and other structures each year.* And we're heading into peak season. The American Bird Conservancy partnered with the U.S. Green Building Council to incorporate solutions for bird-friendly architecture into USBGC LEED® (Leadership in Energy and Environmental Design) green building certification guidelines. The resulting USGBC Pilot Credit 55 i