Sweeping LEED 2012 changes too much for timely shift from 2009 version

Sources: U.S. Green Building Council (USGBC), Washington, D.C.; CP staff

The addition of measurement and performance tools affecting construction material and product specifications for Leadership in Energy & Environmental Design certification-targeted projects is among factors behind USGBC’s decision to delay a final LEED 2012 ballot until later this year, then rebrand the new version LEED v4 for a mid-2013 release.

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