Mohsen Shams Solari is an environmental engineer and physicist whose research integrates atmospheric chemistry, air pollution control, energy sustainability, and advanced environmental technologies. His expertise spans renewable energy, aerosol science, air quality monitoring, and nanotechnology applications, with a strong focus on practical solutions for cleaner energy production in the oil, gas, and power sectors. He has extensive experience managing industrial-scale projects involving electron beam technologies for wastewater and flue gas treatment, including pilot plant development, engineering design, and techno-economic assessments. His academic background combines environmental engineering with condensed matter and solid-state physics, enabling a multidisciplinary approach to complex environmental challenges. His research has been published in high-impact journals such as Desalination, Journal of Environmental Health Science & Engineering, and Journal of Applied Physics, covering topics like particulate matter chemistry, aerosol carbon content, PAH risk assessments, and innovative solar-based cogeneration systems. He has conducted laboratory work involving GC, IC, ICP, and spectrophotometric analyses for pollutant characterization, and has applied computational methods such as Monte Carlo, Geant4 simulations, and density functional theory to study environmental and nanomaterial phenomena. His professional experience includes environmental research at academic institutions, management of meteorological and environmental monitoring projects, CFD simulation work, and contributions to solar energy research. He has also held teaching and mentoring roles in environmental engineering and physics, and his work in nanotechnology has earned national recognition. He is an active member of multiple professional scientific associations related to physics, clean air, and radiation protection.