City & Urban

Barcelona is putting its pigeons on birth control

Paris to sell off 'love locks' in support of refugees

When is public transport free in Paris? When pollution gets out of hand

Detroit to debut mixed-use urban agrihood

In typical Texas fashion, urban nature park in Dallas would be country's biggest

10 iconic city skylines, then and now

The 1919 Boston Molasses Flood: The forgotten tragedy too bizarre for the history books

Morocco is home to Africa's first bike-share program

Sinkhole swallows Japanese street

12 tips for keeping goats in the city

Every single street tree in NYC, mapped

Don't underestimate the life-saving power of urban trees