The unexplained mist had a putrid odor reminiscent of compost and sewer.
The brains behind Scotland's Biomatrix Water use flotillas of plants to filter polluted water and soften concrete riverbanks.
What we've learned from our 9-month series on tomorrow's urban mobility.
A new report ranks U.S. metros based on how many jobs residents can access by transit during the morning rush.
Unlike most new lines in U.S. cities, the Center City Connector would operate in its own exclusive lane.
It's not anti-transit or anti-rail driving the skepticism; it's anti-bad rail transit.
The rent can be a little damn high, so long as the ride isn't.
It took very concerted policy efforts going back to the early 1990s.
Artists transform a highway ramp that over the years has welcomed skateboarders, divers, hermits, and marriage-seekers.
In fact, head injuries declined about 14 percent after cities started bike-sharing programs.
Retail cannabis stores are getting ready to open in Washington state. But at the same time in the Netherlands, decades of permissive pot policies are being eroded.
Walkable suburbs and center city companies are dominating the tech scene.
Each service will be limited to 150 drivers at any given time.
The KOMO copter hit two cars and set off a series of explosions
Pimps in Atlanta take in more than $30k per week, but only 14 percent reported spending some of it on condoms, according to a massive new report from the Urban Institute.
The warming climate is predicted to bring punishing rainstorms.
How U.S. cities stack up economically worldwide.
Four charts that point to the merits of fix-it-first road funding.
With a decidedly more anarchist bent.