By Paul Prechter, Carlisle Development Group The green building standard most commonly applied to today’s commercial and residential projects is USGBC’s LEED (Leadership in Energy and Environmental Design) certification, but do you really have to be LEED to be Green? The constraints of the LEED framework have created opportunities for new green building standards to be developed and have influenced LEED’s evolution. Builders and developers are no longer limited to LEED in the design and construction of their green projects.LEED’s constraintsDuring Carlisle Development Group’s design and construction of Tallman Pines, the first LEED Silver-certified affordable housing development in the Southeast…