LEED (Leadership in Energy & Environmental Design) is a sustainable building certification system developed by US Green Building Council.
It was initially implemented in 1993 and has been used in several countries since then.
It consists of a set f standards on the use of strategies aimed at sustainability in buildings of all types. It is based on the incorporation in the project of aspects related to energy efficiency, the use of alternative energies, the improvement of indoor environmental quality, the efficiency of water consumption, the sustainable development of open spaces on the plot and the selection of materials.
The certification, of voluntary use, aims to advance in the use of strategies that allow an overall improvement in the environmental impact in the construction industry.