Analysis of the 4th Public Comment Draft

By Nadav Malin, from

With a special fourth public comment period, USGBC is now—through May 28—seeking input on the latest changes to the LEED 2012 family of rating systems. Only credits that have changed significantly since the 3rd public comment draft are open for comments this time. If you haven’t been paying attention, it’s time to wake up, because LEED 2012 is by far the most fundamental revamping of LEED in its history.

LEED has been through several iterations since it was originally launched in March 2000. It has also spawned additional rating systems over the years—the LEED that started things off in 2000 was just for “New Construction and Major Renovations” (NC); LEED for Existing Buildings, Commercial Interiors, Schools, Retail, Healthcare, Neighborhood Developments, and Homes all came later. But most of those changes trickled in: one rating system at a time, and relatively minor changes to credit requirements from one version to the next. LEED 2009 gave LEED a new point structure, with all the rating systems on a 100-point scale (plus bonus points), but the actual credit requirements didn’t change all that much.

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