Green nanotechnology is a form of nanotechnology that focuses on the development and application of nanoscience and nanotechnologies to address environmental issues. It is an interdisciplinary field of research and development that brings together the sciences and engineering of the nanoscale with the principles of sustainability and green chemistry. Green nanotechnology seeks to develop new nanomaterials, processes, and products that are more environmentally friendly than current materials, processes, and products. This includes the development of nanomaterials that are non-toxic, biodegradable, and recyclable, as well as the use of nanotechnology to reduce energy consumption, increase the efficiency of existing processes, and reduce waste.