Website offers green building ratings provides information on energy performance ratings and disclosure policies in more than 100 countries.


The Institute for Market Transformation (IMT) and the Natural Resources Defense Council (NRDC) announced the launch of, the world’s first comprehensive resource on energy performance rating and disclosure policies for homes and commercial buildings. contains a searchable library of rating and disclosure information and a user-friendly, interactive map of global policies and programs. users can search more than 100 countries and jurisdictions to learn where policies are enacted and how they are being implemented, what types of rating systems are used to evaluate energy performance, and how policies are impacting markets.

“We are pleased to launch at this important time in the evolution of global energy rating and disclosure policy,” said Andrew Burr, director of IMT’s Building Energy Rating program. “This resource will be a conduit for policymakers to find and exchange ideas and best practices, and a tool for the real estate industry to track and comply with local policies and programs.”

Energy rating and disclosure encourages energy efficiency by raising consumer awareness about the energy performance and energy cost of homes and buildings. The European Union, China, Australia and a number of U.S. states and cities have enacted rating and disclosure policies.

“Governments around the world are embracing building energy rating and disclosure as a policy tool to reduce energy usage in homes and buildings, drive investments in building energy efficiency and boost local economies by creating jobs,” said Dale Bryk, director of NRDC's Air and Energy Program. “ is a valuable resource that will help accelerate this trend in U.S. states and cities.”

Last month, the city of San Francisco enacted a commercial rating and disclosure policy, one of nearly 20 such policies related to homes or commercial buildings that are now in place in the United States. IMT staff is in frequent contact with government officials in many U.S. states and cities and will update weekly to reflect new policies, policy proposals, and research from around the world.

“The initial information-gathering process for took more than four months to complete,” said David Leipziger, research associate at IMT and the lead researcher for “We believe cataloguing this information and making it accessible will benefit diverse stakeholders in the public and private sectors.”   

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