Tim Halbur

A review of the new book, "Two Billion Cars: Driving Towards Sustainability," which argues that cleaner cars are the future of transportation and barely mentions bicycling, walking or transit.

Infrastructure for pedestrians and cyclists in Indian cities is glaringly absent, says Prof. Sudhir Chella Rajan. India needs to decide between an auto-oriented future like the U.S. or a European, pedestrian model.

A new documentary about the architect and planner Daniel Burnham - naturally called 'Make No Little Plans' - arrives in theaters this week.

The Egyptian capital is planning a makeover, turning the downtown into a pedestrian-only zone in the spirit of Europe's historic cities in order to attract tourism.

Lester Brown of the Earth Policy Institute proposes renovating city parking lots into actual parks would go a long way to improving the air quality of cities.