Mahmoud Nasr received his master's degree from South Valley University in Egypt, specializing in heterogeneous catalysis under the supervision of Professor Samih A. Halawy. He is currently a lecturer assistant in the Department of Chemistry at South Valley University, Egypt. Mahmoud's research interests lie in heterogeneous catalysis, environmental catalysis, solid waste recycling and management, renewable energy, greenhouse gas reduction, carbon neutrality, climate change mitigation, biomass utilization, and the development of nanocomposite materials.