Kristopher Fortin

In a study published in this month’s American Economic Review, researchers contended that congestion pricing is the only solution to decrease congestion, writes Eric Jaffe for The Atlantic Cities.

In the third year Forbes has compiled the list, the new data factors included in this year's survey bumped New York City off the list and moved Buffalo into the top spot out of 50 metropolitan areas.

Before Katrina, New Orleans was unfriendly and unpopular for cyclists. Today, the city has 15 streets with bike lanes totaling 40 miles of bike pathway, and is gunning to be as bike-friendly as Portland or Seattle.

Manhattan Beach, Redondo Beach and Hermosa Beach are trying to transform homes, workplaces, and schools to improve public health, writes Anna Gorman for the Los Angeles Times.

While many stories have been written about Detroit's turnaround, it took the top spot on Forbes list of most dangerous cities. Detroit had 1,111 violent crimes reported per 100,000 residents, which included 345 murders, writes John Giuffo.