The Sears Tower

It has been known that commercial buildings take a lot of energy to keep them going.

The Sears Tower (Chicago) is going to be renamed to the Willis Tower later this summer and is now going to undergo a $350 million “green” retrofit for the 110-story office tower.

The plan calls for a reduction in its electricity consumption by 80 percent and water usage by 40 percent.

To achieve the savings, owner American Landmark Properties and its partners plan to: (more…)

Chicago has one of the most extensive infrastructures of any city in the world, with approximately 1,900 miles of public alleys, that’s about 3,500 acres of paved impermeable surface. The city is committed to creating a greener, more sustainable environment by using best management practices in alley improvement and construction. Called ‘Green Alleys’, under the management of Chicago’s Department of Transportation (CDOT), it aims to stop polluted rainwater in the city’s alleyways from ending up in adjacent Lake Michigan. (more…)