Water purification: Nanomaterials such as carbon nanotubes and graphene oxide are being used to create advanced filtration systems that can remove contaminants and pathogens from water more efficiently than traditional methods. Energy efficiency: Nanotechnology can enhance the efficiency of solar cells, batteries, and fuel cells, leading to cleaner energy production and storage. Pollution control: Nanoparticles can be employed in catalytic converters to reduce harmful emissions from vehicles and industrial processes. Material recycling: Nanotechnology can improve the recyclability of materials, reducing waste and conserving resources. Agriculture: Nanomaterials can be used to develop smart fertilizers and pesticides that minimize environmental impact while enhancing crop yield.