A month after the terrorist attacks, MIT structural engineers provide an in-depth analysis of the collapse of the World Trade Center towers. They point out the vulnerabilities of tall buildings and present recommendations for strengthening skyscrapers.
"One month after the attack on the World Trade Center, M.I.T. structural engineers offer their take on how and why the towers came down...A panel of Boston area-based civil and structural engineers convened to discuss the fate of the superskyscrapers, struck by hijacked passenger planes, in front of an overflow audience on the campus of the Massachusetts Institute of Technology. Their starkly sobering analyses highlighted the vulnerabilities of ultra-tall buildings to fire and pointed out steps that could be taken to lessen them. "
Thanks to Abhijeet Chavan
FULL STORY: How The Towers Fell

Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

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The Tiny, Adorable $7,000 Car Turning Japan Onto EVs
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Map: Where Senate Republicans Want to Sell Your Public Lands
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San Diego Votes to Rein in “Towering” ADUs
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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.
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Smith Gee Studio
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Transportation Research & Education Center (TREC) at Portland State University
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