5. Led city program founded by led maker Cree has received another joiner in the form of Tianjin economic development area of China mainland. The Tinanjin polytechnic area china has contributed a lot to led city cause by installing led lights in the university. The led city status will cause great benefits to the area giving cost benefits and also giving the city much awareness boost.

The led city program is an international initiative to spread the use of led. Teda is also the foremost area in China to be declared a led city. There are many other a tier in the world Who are growing up to be a led city, among then Toronto