Copenhagen Lighting the Way to Greener, More Efficient Cities

This article tells us about innovations that are both good for the environment and a bonus for livable, compact cities.

http://www.nytimes.com/2014/12/09/business/energy-environment/copenhagen-lighting-the-way-to-greener-more-effecient-cities.html?smid=nytcore-ipad-share&smprod=nytcore-ipad

Urban areas around the world are installing wireless networks of streetlamps and sensors that could ease traffic congestion and reduce carbon emissions.