Cities are experimenting with different materials — from heated panels to flexible rubber — but the best replacement has yet to emerge.
Despite its reputation, L.A. has deep walkable roots.
Catching up with the man fascinated by the relationship between humans and their personal vehicles.
But they're not alone: roughly half the nation lives with unhealthy concentrations of ozone or particulate pollution.
A lesson in range anxiety on the country's emerging Supercharger network.
The People St program helps novices create a parklet, plaza, or bike parking area.
New York and L.A. are losing more Americans than they're gaining, but the flood of immigrants more than makes up for it.
Transportation network companies mirror early 20th century jitneys — except this time they'll survive.
Some of Garry Winogrand's most compelling images of New York, L.A., and Albuquerque.
Old photographs from the infamous police department will be on display inside a fake police station at Paramount Studios.
Mapping where homes are out of reach for the median family.
New animations show centuries of expansion in three global cities.
A snapshot of Los Angeles's famously bustling airport.
Walkable suburbs and center city companies are dominating the tech scene.
Questioning the numbers behind the new ridership "record."
A new climate assessment sees more of the same killing heat this year, if not worse.
Expect unusual East Coast cold and West Coast heat to "remain in place through most of the remainder of March."
Very few people in Boston are uninsured, but there are huge swathes of them all over Dallas.
One man's quest to photograph pies atop horses, on satellite dishes, and in trees.