The 13th NTC-2022 was held in Hurghada, Egypt, on March 18-22, 2022, to discuss and highlight the application of recent research results in green sustainable construction and nanotechnology and to provide an opportunity for scientists and industry experts to exchange ideas and experiences. Collected articles represent the latest research results in the areas of materials for sustainable construction, synthesis and application of some functional and nanostructured materials, and technologies and materials for wastewater treatment.