Caption
Sun city a suburb of Heerhugowaard in the Netherlands that has develped as a solar hot spot, with the majority of the houses powered by solar panels and is the largest CO2-neutral residential area in the world. The City of the Sun generates 10 MW of energy from wind and solar power, and uses natural water-filtration systems. May 2013
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland