“In urban development, urban disease’ occurs, and in international law, when a country’s urbanization rate exceeds 50 per cent, there are different levels of urban disease’.” On 26 April, at the Third Pan Park City Forum held in Chengdu and the Sixth International High Forum on Sustainable Urban Development, the Chinese Academy of Engineering and Professor of the University of Chianghua referred to the problems of urban development and how to achieve carbon neutrality. In his view, urban deve...