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A speedy transition to wind, water, and solar could avert catastrophic climate change. For the 139 countries that backed the Paris agreement, it’s within reach.
In Idaho Falls, traffic is light and the Great American Eclipse crowds are giddy.
Drivers may be baffled by these newfangled intersections, but they’re safer than traditional four-way stops.
Hyper-gentrification turned renegade Manhattan into plasticine playground. Can the city find its soul again?
Trump’s obsession with building big things fast doesn’t seem unrelated to his defense of white supremacists.
Here’s how a governor-backed plan could win this time around.
DeVon Douglass defines the murky term in her own words.
Dogs are children for a growing number of Americans—and that’s putting new pressures on pup-friendly space.
The San Francisco millionaires who had their street bought by real-estate investors might not get much sympathy. But when cities sell off real public assets, it's everyone's concern.
The Kentucky metro has some of the worst air quality in the country. And it’s crowdsourcing a cure to help its large population of sufferers.
“Where is Robert Moses when you need him?”
Property owners in the Ohio capital's core are rethinking the relationship between cars and jobs.
Transit agencies, take note: For the growing number of Americans over 65, mobility can’t wait.
A forensic transit scientist says the MTA needs timetables its human operators can manage.
Elderly pedestrians die at a higher rate in Honolulu than anywhere else. Their cellphones aren’t the issue.
Funding to fight lead poisoning, opioid addiction, and chronic disease could have vanished with the “skinny repeal” of the ACA.
A lawsuit now alleges the president’s advisory council was convened illegally.
So long as cars are among us, road pricing, ramp meters, and diamond-shaped intersections can mitigate horrendous commutes, a new video explains.
High-speed vactrains might be the ticket for a Martian colony. As a practical transit investment for Earth, the technology has a long way to go.