LEED Leadership in Energy and Environmental Design, is an indigenious voluntary green building certification system providing building verification for the buildings or communities have been designed, developed implementing strategies aimed at improving performance across all the metrics that matter most: building sustainability; energy efficiency, water reduction, CO2 emissions management; improved indoor environmental quality, IAQ, stewardship of green economy and responsibility to their impacts of their implementation.U.S. Green Building Council (USGBC),provides building owners a precise tool for identifying and implementing practical valuable green building design, construction, operations and maintenance solutions.LEED has first pilot version in 1998, LEED standard:New Construction development,Existing Buildings improvementCore and Shell developmentCommercial Interiors and retailHomes and low riseNeighbourhood Development NDBuildings or Campuses, Schools, Healthcare centers and Laboratories.
Leadership in Energy and Environmental Design (LEED) is a group of ranking systems for any design, development, operation, and maintenance of green buildings which was Created by the U.S. Green Building Council. Other certificates system that confirms the sustainability of buildings is British BREEAM is the Building Research Establishment Environmental Assessment Method for buildings and big scale developments. Currently World Green Building Council is doing research on how green buildings affect health and productivity of their users.