Aon Center earns Energy Star rating from EPA

December 9, 2009 (CHICAGO) The Aon Center is the tallest building to ever earn the Energy Star rating.

The EPA is celebrating a decade of energy efficient commercial buildings.

Since 1999, Energy Star partners have helped prevent nearly 120-million metric tons of carbon dioxide emissions.

This is equal to the annual electricity use of more than 60-million American homes.

Copyright © 2023 WLS-TV. All Rights Reserved.