Does that urban sibling connection mean anything at all?
Salt Lake businesses are booming as they find international markets for their goods.
A new film makes the case that the city's at risk of losing the very urban vitality that attracts visitors there in the first place.
A comprehensive look at which parts of the world have suffered historically large quakes.
Cities stand at the very center of each and every one of the biggest challenges the world now faces.
"Our customers don't anticipate drinking water that's been contaminated by some yahoo who decided to pee into a reservoir."
The eastern part, anyway; in the West it will be hotter and drier, predict scientists.
Those cold snaps helped spawn an intense outbreak of pollen.
The Indian city is finding a path out of an urban trash crisis by bringing dignity to workers who once were ostracized.
There's never been a better time to be a consumer. But it's not such a happy story for the people behind the counters.
This week's Cosmos explained how plants produce clean energy, and how our inferior energy technologies produce climate change.
How did we come to work in spaces that make us so miserable?
The format is good for restaurants' bottom lines. And it's the way most chefs prefer to eat.
They eat at restaurants.
But there's no "srirachapocalypse" just yet.
Boston's summer-jobs program puts thousands of teens in professional environments, giving them mentors and experience.
The population of little canines has more than doubled since 1999.
Meanwhile, Blue America is centered in denser, more compact metros and cities.
At least among wealthy countries.