Core Insights - The establishment of the "Carbon Benefit Methodology" for wastewater treatment in Guangzhou marks a significant advancement in linking wastewater reuse with carbon reduction, making Guangzhou the first city in China to achieve this in the sewage treatment sector [1][2][3] Group 1: Methodology and Implementation - The "Methodology" serves as a technical guideline that directly connects "qualified wastewater reuse" with "carbon reduction," providing a unified standard for carbon reduction projects in the wastewater industry [2][3] - The methodology employs a "differential method" to calculate emission reductions by comparing carbon emissions from conventional water supply processes with those from reused wastewater systems, allowing for precise quantification of greenhouse gas reduction benefits [2][3] Group 2: Impact and Significance - The methodology transforms the "low-carbon value" of wastewater from being invisible to being measurable, reportable, and verifiable, thus providing essential technical support for future carbon asset development in urban water management [3][4] - The initiative aligns with the goals of the 15th National Games and the Special Olympics, promoting a transparent and traceable carbon reduction framework that integrates green outcomes into the event's organization [3][4] Group 3: Industry Standards and Practices - The methodology fills a gap in the standards for carbon reduction accounting in wastewater reuse, offering a clear path for wastewater treatment enterprises across the country to quantify their carbon reduction achievements [3][4] - Guangzhou Water Investment Group has successfully developed 6,051 tons of CO2e reduction and donated it to the organizing committee, demonstrating a commitment to supporting the carbon-neutral goals of the upcoming sports events [5][6] Group 4: Technological Advancements - Guangzhou Water Investment Group has implemented a comprehensive carbon management system covering water, sludge, gas, electricity, and carbon, showcasing its commitment to green and low-carbon technology innovation [6][7] - The company has established nine provincial and municipal technology innovation platforms, holds 165 patents, and has achieved several international leading standards in its technological advancements [6][7]

Core Viewpoint - Guangzhou has become the first city in China to establish a carbon benefit methodology linking wastewater treatment plant effluent reuse with carbon reduction, marking a significant advancement in the wastewater industry and supporting the city's low-carbon development goals [1][2][3]. Group 1: Carbon Benefit Methodology - The methodology, titled "Guangzhou's Carbon Benefit Methodology for Wastewater Treatment Plant Effluent Reuse," is the first of its kind in the country, directly linking effluent reuse with carbon reduction [2][3]. - It employs a "differential method" to calculate carbon reduction by comparing the carbon emissions from conventional water supply processes with those from effluent reuse systems, allowing for precise quantification of greenhouse gas reduction benefits [2][4]. - This methodology transforms the "invisible" low-carbon value of wastewater effluent into a "measurable, reportable, and verifiable" asset, providing essential technical support for future carbon asset development in urban water management [1][2]. Group 2: Contribution to Events and Industry Standards - Guangzhou Water Investment Group has donated 6,051 tons of carbon reduction credits to support the green goals of the 15th National Games and the Special Olympics, showcasing the integration of carbon reduction efforts into major city events [1][6]. - The methodology fills a gap in the standards for carbon reduction accounting in the wastewater sector, offering a clear path for wastewater treatment enterprises across the country to quantify their carbon reduction achievements [3][4]. - The establishment of this methodology is seen as a practical demonstration of state-owned enterprises leading industry standard development and contributing to low-carbon transitions [3][4]. Group 3: Technological Innovations and Achievements - Guangzhou Water Investment Group has developed a comprehensive carbon management system covering water, sludge, gas, electricity, and carbon, enhancing its capabilities in green and low-carbon technology [6][7]. - The company has established nine provincial and municipal technology innovation platforms, holds 165 patents, and has achieved several international leading standards in technology, contributing to significant advancements in wastewater treatment [7][8]. - Future plans include further integration of green low-carbon technology research with voluntary carbon reduction credit development, aiming for breakthroughs in smart wastewater treatment and real-time carbon footprint accounting [8].