Shenzhen, China, October 16, 2012: The world is undergoing a major transition, as according to the UN, city dwellers will reach 4.9 billion by 2030, and 6 billion (two-thirds of the world’s population) by 2050, said Edward Chen, President of Huawei’s Corporate Social Responsibility Committee, speaking today at the “Connected City – the Greener Future” workshop organised by the Global e-Sustainability Initiative (GeSI) in Shenzhen.