As cities around the world work to advance sustainability, many involved are finding that social innovations, sweat equity and the gift economy are doing more than massive capital projects to support “green infrastructure” — things like watershed management, river restoration and local food economics. Join us for an in-depth conversation on the role of these projects and how we can help them flourish.

+ John Thackara, Doors of Perception
+ Ezio Manzini, Politecnico di Milano