How energy efficiency is creating environmental and economic value in cities

Implementing LED lighting enables cities to take immediate action to become more energy efficient as well as deliver social, financial and ecological benefits.
Listen to an article published on SmartCitiesWorld written by Harry Verhaar: Head of Global Public & Government Affairs, Signify.Relevant links:
Flipping the Green Switch for Europe
Brighten America for the USGraphs:

Above and below shows the potential cost- and energy-savings of switching to LED lighting