Chicago's out to redefine the way you think about alleys.
The city is embarking on a hugely ambitious effort to make its alleyways -- which add up to nearly 2,000 miles -- environmentally sustainable:
Chicago has decided to retrofit its alleys with environmentally sustainable road-building materials under its Green Alley initiative, something experts say is among the most ambitious public street makeover plans in the country. In a larger sense, the city is rethinking the way it paves things.
In a green alley, water is allowed to penetrate the soil through the pavement itself, which consists of the relatively new but little-used technology of permeable concrete or porous asphalt. Then the water, filtered through stone beds under the permeable surface layer, recharges the underground water table instead of ending up as polluted runoff in rivers and streams.
Rethinking alleys could be a great way to make cities more harmonious with the land they sit on. Especially if alleys become a bigger part of the urban landscape.
Photo via Flickr, from ketalady
Zach Patton -- Executive Editor. Zach has written about a range of topics, including social policy issues and urban planning and design. Originally from Tennessee, he joined GOVERNING as a staff writer in 2004. He received the 2011 Jesse H. Neal Award for Outstanding Journalism
E-mail: zpatton@governing.com 
Written and compiled by staff writers and editors, GOVERNING View is an on-the-ground, and sometimes behind-the-scenes, look at the topics we're covering in print and online. From notes on what's up in statehouses, county courthouses and city halls, to encounters with people, places and things, GOVERNING View is a window into the side of state and local government you don't always see.
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