Trash pickers have long been the main recyclers in Argentina’s capital. Once marginalized, their work is now being formalized as part of a new waste management system.
By Kristie Robinson / October 16, 2014
Vancouver is slashing greenhouse-gas emissions by aggressively creating new district-energy systems that heat large numbers of buildings.
By Frances Bula / October 10, 2014
The multi-purpose dam also creates recreational opportunities for a crowded city.
By Grace Chua / September 25, 2014
In a settlement on the edge of Lilongwe, composting takes care of most of the trash — and provides a livelihood.
By Charles Mkula / September 18, 2014
A new outdoor lab near Copenhagen gives lighting vendors a place to showcase their latest designs and cities a place to view them in a real urban setting.
By Annemarie Zinck / September 11, 2014
An app heavily used in Amsterdam makes it easy for neighbors to borrow power drills, ladders and other stuff from each other — and also aspires to build community.
By Letty Reimerink / September 4, 2014