技术驱动、制度护航、改革创新……城市节水，有高招！

Core Viewpoint - The article emphasizes the significant advancements in urban water conservation through technology, institutional support, and innovative reforms, highlighting successful case studies and future goals for water resource management in China [1][3][4]. Group 1: Technological Innovations - The water resource regeneration plant in Ordos City has achieved a 95% recycling rate of photovoltaic wastewater through advanced treatment processes [1]. - A laboratory in Shanghai has successfully reduced water supply network leakage from 27% to 3.61% through technological breakthroughs in urban water conservation [2]. Group 2: Institutional Support - The establishment of water-saving regulations in cities like Jinan has provided a framework for sustainable groundwater management and conservation efforts [3]. - Various regions are enhancing their water-saving institutional frameworks, including the implementation of a comprehensive policy system for urban water conservation [4]. Group 3: Market Mechanisms - The signing of a water rights trading agreement in Yunnan, involving a transaction of 25 million cubic meters, illustrates the growing trend of water rights trading as a means to optimize water resource allocation [5]. - In 2024, the national water rights trading volume reached 1.37 billion cubic meters, marking a 154.7% increase year-on-year, showcasing the effectiveness of market-driven water conservation strategies [6]. Group 4: Future Goals - The Ministry of Water Resources aims to exceed 23 billion cubic meters of unconventional water utilization by 2025, indicating a strong commitment to enhancing water resource management [2]. - By 2035, China plans to establish a water-saving institutional policy system that aligns with the goals of achieving socialist modernization [4].