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

Maui's Vacation Rental Debate Turns Ugly
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Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

Chicago’s Ghost Rails
Just beneath the surface of the modern city lie the remnants of its expansive early 20th-century streetcar system.

Bend, Oregon Zoning Reforms Prioritize Small-Scale Housing
The city altered its zoning code to allow multi-family housing and eliminated parking mandates citywide.

Amtrak Cutting Jobs, Funding to High-Speed Rail
The agency plans to cut 10 percent of its workforce and has confirmed it will not fund new high-speed rail projects.

LA Denies Basic Services to Unhoused Residents
The city has repeatedly failed to respond to requests for trash pickup at encampment sites, and eliminated a program that provided mobile showers and toilets.
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