6.1. Low-Carbon and Sustainable Cementitious Materials
6.2. Bio-Based Structural Composites
6.3. Smart Polymers and Responsive Functional Materials
6.4. Corrosion, Surface Chemistry, and Protective Coatings
6.5. Catalysis, Reaction Engineering, and Green Chemical Processes
6.6. Nanomaterials Synthesis, Characterization, and Applications
6.7. Recycled and Secondary Raw Materials in Structural Applications
6.8. Biomaterials and Bio-Inspired Material Engineering