A Summary of China's Water Security Status and Issues from a Special Issue.

They further analyzed the meaning of happy rivers from five levels, including water security, water resources, water environment, water ecology, and water culture. Affected by global climate change and rapid socio-economic development, China faces serious water security issues, especially in terms of water shortages, flood disasters, and water-related ecological and environmental problems. Zhang et al. [[10]] analyzed the water-saving level in 31 provinces in China using support vector machine model and found that the water-saving level is high in Beijing City, Henan Province and Zhejiang Province. [Extracted from the article]