Critical Path

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Dept. of Homeland Security is developing a voluntary rating system for resilient buildings. Building designers and researchers now can browse through a "what's what in research" library—free. 

Fire Department officials say seven were injured, when a 170-ft mobile crane owned by James Lomma's New York Crane fell on the residential building they were constructing off the East River in Long Island City, Queens this afternoon around 2:20.

Why do we forget about disaster victims after a week or two?

We all take them for granted, but what's the story behind road signs? Take a look at this gorgeous short film about them.

Sandy's storm surge was technically 13.8 ft, measured at Battery Park in Lower Manhattan. That was nearly 3 ft higher than the previous (measured) record, but it was not a 13.8-ft high wall of water coursing through the streets. It was more like a wall 3 or 4 ft high, measured from street level. That was disastrous enough to flood tunnels and basements and wreak havoc. But it was not as calamitous as a 13.8-ft tsunami. Read on to learn why.

As deadline nears, House Speaker lays out a new counter-offer, but Democrats blast the proposal.

See crews fly an escalator to the 101st floor of One World Trade Center site in Lower Manhattan. Read fun facts about the fastest elevators in the Western Hemisphere.

Gearheads love getting cool stuff for the holidays. 

Here are photo tidbits of the delivery of the pieces of the spire that will turn One World Trade Center into the nation's tallest building. Word on the street is that the spire installation will be finished in February. At that point, the replacement for the twin towers will reach a height of 1,776 ft.

Differences between DOT Secretary Ray LaHood, a strong supporter of the Obama administration's high speed passenger rail  program, and Rep. Jeff Denham (R-Calif.) a forceful critic of the program, flared up at a House hearing.