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The pilot version, LEED New Construction (NC) v1.0, led to LEED NCv2.0, LEED NCv2.2 in 2005, LEED 2009 (a.k.a. LEED v3) in 2009, and LEED v4 in November 2013. LEED 2009 was depreciated for new projects registered from October 31, 2016. [58] LEED v4.1 was released on April 2, 2019. [59]
The LEED Green Building Rating System (LEED) is a program that provides third-party verification of green buildings. The LEED program rates commercial buildings, homes, neighborhoods, retail, healthcare, schools, including every phase of the respective building lifecycle, including design, construction, operations, and maintenance.
Stage 1: Conditionally Approved Plan Provides the conditional approval of a LEED-ND Plan available for projects before they have completed the entitlements, or public review, process. It is envisioned that completing Stage 1 will help projects get support from the local government and from the community. Stage 2: Pre-Certified Plan
A LEED professional credentials provides employers, policymakers, and other stakeholders with assurances of an individual's current level of competence and is the mark of the most qualified, educated, and influential green building professionals in the marketplace. [1] All LEED professional credentials require adherence to the LEED Professional ...
The LEED v4 Handbook posits that indoor air quality is "one of the most pivotal factors in maintaining building occupants' safety, productivity, and well-being." [ 10 ] Ventilation
Low-energy electron diffraction (LEED) is a technique for the determination of the surface structure of single-crystalline materials by bombardment with a collimated beam of low-energy electrons (30–200 eV) [1] and observation of diffracted electrons as spots on a fluorescent screen.
Living Building Challenge Version 1.2 is published. [4] May 2009 International Living Building Institute is formed by Cascadia Green Building Council. [5] August 2009 Living Building Challenge Version 1.3 is published. [9] November 2009 Living Building Challenge Version 2.0 is published. [9] Fall 2010 First three projects earn Living ...
For example, the IgCC is focused specifically on construction, whereas LEED covers the entire lifecycle of a building, including its operation and maintenance. Additionally, the IgCC is a model code, which means that it has the force of law in jurisdictions that adopt it, whereas LEED is a voluntary certification program that developers choose ...