Wastewater treatment plants have traditionally been viewed as essential infrastructure for managing sewage and protecting public health. However, they also possess a significant but often overlooked potential to contribute to environmental sustainability and economic development. By capturing methane—a potent greenhouse gas—generated during sewage treatment processes, these plants can convert it into renewable natural gas. This not only helps reduce greenhouse gas emissions and combat climate change but also enables communities to generate additional revenue streams. Moreover, the process of transforming waste into valuable energy sources can create new jobs and stimulate local economies, turning what was once considered mere waste into a valuable resource that benefits both the environment and society.