1. Overview 2. Detecting nanomaterials 3. Assessing the environmental impact of anthropogenic nanoparticles 4. A review of nanomaterials for water purification 5. Association of nanoparticles with genetic materials 6. Enhancing water security 7. Nanomembranes 8. Inorganic nanoadsorbents 9. Remediation of VOC 10. Micro- and nanostructured cellulose-based scaffold for water purification 11. Plant derived bionanomaterials and their applications 12. Remediation of heavy metals 13. Remediation of pharmaceuticals 14. Remediation of pesticides 15. Remediation of contaminants of emerging concern 16. Photocatalytic degradation of antibiotics 17. Sustainable nanotechnolgy