With the advances of technologies in Micro-electro-mechanics (MEMS) and wireless communications, it has become feasible to deploy a large-scale wireless sensor network (WSN) with thousands of tiny and inexpensive sensor nodes scattered over a vast field so that information of interest can be obtained, processed, transmitted, and fused automatically via node collaboration and sensing. With the help of cloud computing, Internet of Things (IoTs), device to device (D2D) communications, and big data, cooperative and intelligent sensing will bridge the gap of ubiquitous sensing, intelligent computing, cooperative communication, and mass data management technologies to create novel solutions that improve the urban environment, human life quality, and smart city systems.