Traffic is down 12 percent in Gothenburg, and transit use is on the rise.
The AARP's new “livability index” grades communities on seven resource areas that aging Americans will need.
Despite the Dzhokhar Tsarnaev trial, Boston's annual race begins to resemble itself.
In Cupertino, Palo Alto, and McLean, Virginia, more than three-quarters of the workforce belongs to the creative class.
This NASA visualization tracks 365 days of the planet's CO2 emissions.
British photographer Marcus Lyon creates apocalyptic images of what cities might look like if left to grow out of control.
It's time to "de-Californify" the U.S. supply of fruits and vegetables.
Visitors can watch Manhattan develop during the 47-second ride to the building's observation deck.
"Bellpipes" is a bike whistle that draws from bagpipes and wind tunnels.