March 23, 2015, 5am PDT
Paris today made its first use of a drastic plan to improve air quality in the city: ban half of the cars on the road. The ban could continue tomorrow if the current air pollution alert does not improve.
December 16, 2014, 12pm PST
Parisian clean air politics turn out to be something of a class issue, even for a socialist mayor. The plans are seen as penalizing low income Parisians while benefiting elitist city dwellers who dislike traffic, overshadowing public health benefits.
December 9, 2014, 5am PST
Paris Mayor Anne Hidalgo made a game-changing announcement in the name of clean air and walkability
May 9, 2014, 9am PDT
Artist Luke Jerram recently installed a 300-foot waterslide on Park Street in Bristol, UK. The "Park and Slide" event was massively attended and wildly popular.
Sustainable Cities Collective
March 12, 2014, 7am PDT
Starting in April, Houston will close 2.5 miles of streets to automobile traffic between 11 am and 3 pm. Additional street closures will follow in May.
March 18, 2013, 8am PDT
Rather than the doomsday scenarios envisioned by critics, recent results indicate that closing streets to cars can have a demonstrable effect in improving circulation.