1. Principles for the application of nanomaterials in environmental pollution control and resource reutilization 2. Semiconductor-Based Nanocomposites for Photodegradation of Organic Pollutants 3. Nanomaterial-based photocatalytic hydrogen production 4. Application of nanotechnology in the removal of heavy metal from water 5. Application of Nanomaterials and Nanotechnology in the Reutilization of Metal Ion From Wastewater 6. Application of Nanotechnology in Pollution Control of NOx From Stationary Sources 7. Nanomaterials As Electrode Materials of Microbial Electrolysis Cells for Hydrogen Generation 8. Nanoelectrocatalysts for Carbon Dioxide Reduction 9. Assessment on Toxicity of Nanomaterials