In the 1970s, new downtown hotels often boasted soaring atrium lobbies, filled with glass elevators, bars and restaurants. What’s inside this uniquely American building style? 

Building design and technology are becoming increasingly important in the city’s fight to bring temperatures down. 

Incomplete roads in Karachi — the biggest city in Pakistan and the third-largest in the world — show what happens when a megacity becomes a political orphan.

As the pandemic takes a toll on local businesses, Troy, New York, is trying to hold on to its hard-won economic gains — and plan for a more equitable future. 

As workers stay home and office buildings sit vacant, some see a new role for New York City’s business district — as a site for affordable housing.