1. Introduction 2. Pharmaceuticals in the marine environment: occurrence, fate, and biological effects 3. Antibiotics in the marine environment: occurrence and impact 4. Personal care products in the marine environment 5. Synthetic surfactants in the marine environment 6. Per- and polyfluoroalkyl substances 7. Current-use pesticides in the marine environment 8. Microplastics and nanoplastics in the marine environment 9. Organic additives in marine plastics: occurrence, leaching, impacts, and regulatory aspects 10. Micromaterials and nanomaterials as potential emerging pollutants in the marine environment 11. Technology-critical elements 12. Identification on new contaminants of emerging concern: suspect and non-target analysis of marine environmental samples 13. Future trends and challenges in relation to contaminants of emerging concern