Treehugger

A new concept streetlight from Yanko Design would use garbage cans built into the base as fuel tanks, converting the trash to light.

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.

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?

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%.

This post from Treehugger compares subway fares from around the world.

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.

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.

This slideshow from Treehugger offers visions of the future of cities -- from decades ago and today.

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%.

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.

Australian designer Hamit Kanuni Kuralkan has designed a transit concept lined with one-person compartments for personal space.

Five prominent ecocity experts weigh in on the Masdar City project in Abu Dhabi.

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.