Nano charcoal, with particle sizes below 100 nanometers, exhibits extraordinary surface area (1000-3000 m²/g) and unique physicochemical properties. Production involves controlled pyrolysis followed by mechanical or chemical processing to achieve nanoscale dimensions. Applications span environmental remediation, where nano charcoal absorbs heavy metals, organic pollutants, and pharmaceutical residues with exceptional efficiency. In energy storage, it serves as electrode material in supercapacitors and battery technologies, offering high electrical conductivity and stability. Medical applications include drug delivery systems and toxin absorption. Agricultural uses improve soil health and nutrient retention. Water treatment systems incorporating nano charcoal achieve superior purification with minimal material usage. The technology represents a convergence of nanotechnology and sustainable materials science, offering solutions across multiple sectors while utilizing renewable biomass feedstocks.