Sehrish Butt, Alya Shujat, Sukaina Arshad, Tasbie Zahra and Anisa Mehmood 2025. Review Article Biogas Development and Usage Current Perspectives and Opportunities, Future Outcomes and Prospects: Biogas Uses for Production of Renewable Energy. Biological Sciences - PJSIR. 68, 2 (Jul. 2025), 223–228.