Wastewater treatment facilities,characterized by their expansive scale and pervasive distribution,emerge as pivotal energy consumers,concurrently releasing substantial quantities of greenhouse gases,prominently methane and nitrous oxide.Against the backdrop of progressively stringent regulatory frameworks governing pollutant emissions,the energy demands,material utilization,and carbon emissions intrinsic to wastewater treatment processes are poised for a profound escalation.A comprehensive exploration into the intricate mechanisms dictating the genesis and release of greenhouse gases within the domain of wastewater treatment,accompanied by an in-depth analysis of influencing factors,establishes a robust and multifaceted academic foundation for the progressive evolution of environmentally sustainable treatment methodologies.A nuanced and scholarly comprehension of these mechanisms affords the capability to discerningly formulate and execute strategies designed to alleviate the adverse climatic ramifications of wastewater treatment practices.Such a nuanced understanding not only facilitates compliance with evolving environmental standards but also furnishes indispensable scientific backing for the judicious and sustainable management of urban water resources.Consequently,a scholarly dedication to the ongoing research and optimization of greenhouse gas emissions in wastewater treatment processes assumes paramount significance in the endeavor to engineer water treatment systems that not only align with environmental imperatives but also contribute substantially to the overarching goals of urban sustainability and resilience.