Structural engineers have an unprecedented opportunity to contribute to green building certification. Within the green building practice, the U.S. Green Building Council’s (USGBC) Leadership in Energy and Environmental Design (LEED) rating system has set a precedent for green building standards and codes such as the IgCC, ICC 700, CALGreen and ASHRAE 189.1. The latest version of LEED v4, released in 2012, awards a total of 3 points for performing whole building life-cycle assessment and specifically limits the assessment to structure and enclosure to encourage participation from structural engineers. …