LEED Library
USGBC LEED Library What is LEED? The Leadership in Energy and Environmental Design (LEED) Green Building Rating System™ is a point rating system devised by the United States Green Building Council (USGBC) to evaluate the environmental performance of a building over its life cycle and to encourage market transformation towards sustainable design. This voluntary system is credit-based, allowing projects to earn points for environmentally friendly construction of a building and its site. LEED was launched in 1999 in an effort to develop a “consensus-based, market-driven rating system to accelerate the development and implementation of green building practices.” LEED v4 was...