Andrew Gorden

In one of the world's most dense cities, urban agriculture finds its place on the rooftops of Hong Kong buildings. Fears of tainted imports is spurring much of the growth.

Vancouver has the most farmland and farmers in North America. However, as Vancouver booms, the thriving agricultural belt that surrounds Greater Vancouver is at risk from an expanding city.

San Francisco's new experiment in low-income housing is a beautiful one; a new building combines eye-popping design and amenities you wish you had.

An experiment in Germany engages kids to build micro-cities as playgrounds. The idea is coming to downtown Philadelphia.

A new skyscraper is set to grace skies over Bogota, Colombia. Instead of one wealthy developer, the tower is being funded by thousands of people, each with their own stake in the property.