Treehugger

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.