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Part 2: LEED v4: How Energy And Atmosphere, Materials And Resources And Indoor Environmental Quality Requirements Have Changed
By Patrick Leonard and Megan Snyder
March 2014 -
In LEED v4, changes in the energy and atmosphere, materials and resources, and indoor environmental quality requirements have led to more stringent requirements for earning those credits.
As with LEED 2009, which was the last iteration of LEED, all strategies and technologies that reduce a project's energy cost are awarded credit in the Energy and Atmosphere credit category.
Interestingly, the USGBC stakeholder group with the highest percentage approval rate for LEED v4 was producers (primarily product manufacturers) who, at first pass, are arguably the group most impacted by changes in the rating system. Under Materials and Resources, the combination of new credit vocabulary, new credits and a cap on the contributions from structure and enclosure materials in cost-based calculations will make "planning the plan" even more important.
Under LEED v4, USGBC has attempted to reward design teams that provide a superior indoor environment across the spectrum of human health and comfort.
Innovation and Regional Priority credits follow a similar structure to LEED 2009.
Part 1: LEED v4 Requires A New Facility Management Approach To LEED
Part 3: Lessons Learned From A LEED v4 Beta Project
Part 4: USGBC Releases Top 10 States For LEED