For 20 years now, green building rating tools have been part of our daily lives. They are an integral part of our professional practice, government policy and real estate investments. They have truly transformed the property sector, the world over.

From Botswana to Bahrain, New Zealand to Nicaragua and Palestine to Portugal, green building rating tools shape the design and performance of our buildings. The World Green Building Council, representing more than 100 Green Building Councils (GBCs) around the world, reports that there is now more than 140,000 green buildings…