December 26, 2009, 7am PST
Treehugger has a look at the best and worst transportation technology of 2009, from solar planes to bike highways.
December 18, 2009, 10am PST
<em>Treehugger</em>'s Lloyd Alter takes a look back at the last ten years of architecture and finds some progressive trends and positive signs for the future.
November 16, 2009, 8am PST
A new concept streetlight from Yanko Design would use garbage cans built into the base as fuel tanks, converting the trash to light.
October 21, 2009, 1pm PDT
Ultracapacitor batteries are a poor fit for domestic cars, but are a unique fit for transit. Michael Graham Richard looks at how this technology is working on electric buses in China.
July 22, 2009, 10am PDT
The Manhattan Airport Foundation is lobbying to turn Central Park (yes, that Central Park) into an airport. The web is a twitter, and the MAF's elaborate designs are very funny. Aren't they? They're not really serious?
July 5, 2009, 7am PDT
A new study from UC Irvine in Los Angeles concludes that women who live within 1.9 miles of a major roadway increase their risk of premature birth by 128%.
July 2, 2009, 9am PDT
This post from <em>Treehugger</em> compares subway fares from around the world.
May 13, 2009, 7am PDT
Buildings are designed to ensure fully mechanized comfort. Architect Terri Meyer Boake argues that designers need to think in terms of a spectrum of comfort in designing the reduced-impact buildings of the future.
March 4, 2009, 7am PST
Treehugger interviews urban designer, New Urbanist, and rail advocate Andy Kunz about the stimulus package and how it will benefit high speed rail in America.
February 7, 2009, 5am PST
This slideshow from <em>Treehugger</em> offers visions of the future of cities -- from decades ago and today.
September 25, 2008, 11am PDT
City Cargo of Amsterdam has developed a fleet of non-polluting vehicles to deliver cargo via the city's unused streetcar tracks. Their aim is to cut the number of trucks going into the city by 50%.
September 23, 2008, 11am PDT
Prefab is less wasteful, green and affordable? Not according to Chad Ludeman, who has taken the pulse of the prefab field and found it wanting.
August 7, 2008, 6am PDT
<p>Australian designer Hamit Kanuni Kuralkan has designed a transit concept lined with one-person compartments for personal space. </p>
March 5, 2008, 12pm PST
<p>Five prominent ecocity experts weigh in on the Masdar City project in Abu Dhabi.</p>
November 23, 2007, 5am PST
<p>Mexico City and its 20 million people get water from many sources, some nearly 100 miles away. The city has announced plans to achieve water self-sufficiency by 2020, a task sure to be a challenge.</p>