Willis Tower

Chicago, Illinois

Willis Tower, Largest LEED Platinum Building, to Switch to 100 Percent Renewable Energy

The Willis Tower in Chicago, once the tallest building in the world, is still making history in superlative terms.

October 7, 2020 - Commercial Property Executive

Observation Deck

10 Great Places to Get High—As in Views of the City

Every U.S. city has high rises, but not all are created for tourists looking for great views. An L.A. County planner describes ten of his favorite towers for lofty views.

April 27, 2018 - UrbDeZine

Chicago River

Fortress No Longer: What's in Store for Willis Tower

Designed for a different era, Willis Tower's pedestrian-phobic base is in line for a complete overhaul. The goal is to open the immense tower to the street.

February 7, 2017 - Chicago Sun-Times

Skyscraper Envy?

Sen. Mark Kirk (R-Ill.) expressed irritation that Chicago is no longer a world-class city when it comes to building heights. The issue arose during a Senate floor discussion on the Terrorism Risk Insurance Act. Chicago's Willis Tower ranks #11.

July 18, 2014 - Politico

Is One World Trade America's Tallest Building? Depends Who You Ask

Spire or antenna; what sits atop One World Trade Center in Lower Manhattan? The answer isn't just semantics, it will determine if the building is indeed taller than Chicago's Willis Tower. A decision by the official arbiter could come next week.

November 9, 2013 - NPR

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Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.