Green Nanotechnology Based Sustainable Energy Solutions and Environmental Impacts Kiran Devade, Pradeep Kumar Singh, Sandeep Kumar, Himanshu Kumar, Brijesh Prasad, A.L.N. Rao and Akhil Sankhyan E3S Web Conf., 511 (2024) 01031 Published online: 10 April 2024 DOI: 10.1051/e3sconf/202451101031