These Compost Islands Would Turn NYC's Garbage Into Gold

The average New Yorker generates about three pounds of trash every day, and a huge amount of that is food waste—which could be composted, if only we had the space. Enter "Green Loop," a proposal to build massive composting islands off the coastline of NYC. » 3/03/14 3:40pm 3/03/14 3:40pm

The New High Line for Queens Could Include This Human Roller Coaster

If you could build your own High Line, what would it look like? That's the question the QueensWay Project, an effort to turn an abandoned stretch of railway in Queens into an elevated pedestrian and bike path, recently asked designers to answer. Some of the winners announced today are truly wild. » 2/12/14 4:20pm 2/12/14 4:20pm

5 Radical Ideas To Protect Coastal Cities From the Next Big Storm

A bridge that deploys huge inflatable buoys to slow storm surges. A barrier reef grown from minerals harvested by electrical currents. An artificial island protecting the most surge-prone neighborhoods. Most of us are bracing for a blizzard this week, but the winners of a recent design competition, Stormproof, are… » 1/02/14 9:00am 1/02/14 9:00am

6 Radical Infrastructure Schemes That Almost Changed NYC Forever

The East River? Oh, we dammed that thing up and threw a new City Hall on top. The Hudson? Filled it with traffic years ago. New Yorkers have never been shy about changing the natural landscape of their city, but if you dig into the archives, you'll find dozens of ideas so radical, they make present-day Gotham feel like … » 7/02/13 9:03am 7/02/13 9:03am

Paolo Soleri and the Cities of the Future

Paolo Soleri, who died last month at 93, transformed the way people imagine cities of the future. You've probably seen some of his concepts without realizing it. He even built an experimental city in Arizona, called Arcosanti. We've got a gallery of his drawings and designs, some of which have never been online… » 5/21/13 5:36pm 5/21/13 5:36pm