Group 1 - Guangzhou has disposed of approximately 950,000 tons of contaminated soil across 15 sites by 2025, addressing challenges such as long remediation cycles and disturbances to local communities [1] - The city has established the first market-oriented centralized disposal center for contaminated soil in the country, which has donated all carbon credits generated during its operation, totaling 8,778 tons, to the National Games [1] - Guangzhou has introduced an innovative "clean soil development" model that synchronizes soil remediation with land supply and construction, enhancing development efficiency [1] Group 2 - From 2021 to 2025, Guangzhou has completed the review of 1,010 soil pollution status investigation reports for construction land, 68 risk assessment reports, and 51 remediation effect assessment reports, with 92 sites included in the provincial soil pollution risk control and remediation directory, accounting for 57.86% of the province [2]

Core Viewpoint - The article emphasizes the importance of soil quality for public health and food safety, highlighting China's efforts in soil pollution prevention and remediation since the 18th National Congress of the Communist Party, which has led to a preliminary halt in the worsening trend of soil pollution [2][3]. Group 1: Soil Pollution Prevention and Remediation Efforts - China has strengthened soil pollution control and remediation, establishing a protective network for soil environmental safety, which has begun to effectively prevent risks [2]. - The article mentions the successful transformation of previously polluted areas, such as the 2.38 million mu of land in Zijin Mountain National Mine Park, which now supports 4.27 million trees and absorbs carbon equivalent to the emissions of 300,000 cars annually [2]. - Since the 18th National Congress, 68 historical mine restoration demonstration projects have been launched, healing over 5 million mu of land affected by mining activities [2]. Group 2: Monitoring and Technological Advancements - A comprehensive network for soil pollution prevention has been established, including over 1,000 online monitoring devices installed at drainage outlets of industrial enterprises in Yueyang, ensuring real-time monitoring of wastewater [3]. - The monitoring network consists of 38,880 soil environment monitoring points and 7 satellites, providing continuous oversight of soil and groundwater quality [3]. - The proportion of contaminated arable land that is safely utilized has increased from 70.6% in 2015 to approximately 93% now, reflecting significant progress in soil pollution management [3].

Group 1 - The core viewpoint emphasizes the importance of soil quality for public health and food safety, highlighting the government's efforts in soil pollution control and restoration since the 18th National Congress of the Communist Party of China [1] - A comprehensive soil environmental safety protection network has been established, effectively curbing the trend of increasing soil pollution across the country [1] - The restoration of historical mining sites has been a focus, with 68 demonstration projects initiated, healing over 5 million acres of land affected by mining activities [1] Group 2 - A multi-layered network for preventing soil pollution has been implemented nationwide, including over 1,000 online monitoring devices installed at industrial wastewater discharge points [2] - The monitoring system consists of 7 satellites and 38,880 soil environment monitoring points, ensuring continuous oversight of soil and groundwater quality [2] - The percentage of contaminated arable land that is safely utilized has increased from 70.6% in 2015 to approximately 93% currently, indicating significant progress in soil pollution management [2]