LEED is the foremost program for the design, construction and operation of green buildings.

Over 44,000 projects are currently participating in the commercial and institutional LEED rating systems, comprising over 10.3 billion square feet of construction space in all 50 states and 135 countries.

Projects achieve certification if they earn points according to the following levels:

Certified: 40-49 points | Silver: 50-59 points | Gold: 60-79 points | Platinum: 80+ points