1. Application of omic tools for microbial community structure and function analysis2. Metagenomics: A possible solution for uncovering the "mystery box" of microbial communities involved in the treatment of wastewater3. Molecular tools for microbial diversity analysis4. The role of microorganisms in performance optimization of WWTPs5. Environmental contaminants: treatments, threats, toxicity and tools for sustainability6. Improvement of biodegradability index of industrial wastewater using different pre-treatment techniques7. Biota debromination in wastewaters8. Application of meta-transcriptomics in wastewater treatment processes9. The role of fungal species in the bioremediation of metals10. Molecular biology techniques for the detection of contaminants in wastewater11. Current treatment technologies for the removal of microplastic and microfiber pollutants from wastewater12. Wastewater treatment for bioenergy purposes on metaproteomic approach13. Peracetic acid in the reuse of treated wastewaters14. Bio-electrochemical methods for the recovery of products from wastewater15. Microbes-based nanomaterials for wastewater treatment and the decontamination of water16. Biological wastewater treatment technology: Microalgae17. Prokaryotic and eukaryotic diversity in wastewater treatment: phenotypic characterization, molecular techniques and bioprospecting18. Immobilized microalgae for removing industrial pollutants: A greener technique19. Advances in biotechnological tools for bioremediation of wastewater using a bacterial-algal symbiotic system20. Algae-based wastewater treatment and biorefinery21. Application of omic tools for microbial community structure and function analysis22. Meta-omics studies of microbial communities in hollow fiber membrane biofilm reactors treating contaminants in water resources: Recent advances23. Omics: a step towards understanding the complex diversity of microbial community at contaminated sites24. Advanced omics technologies: Relevance to environment and microbial community25. Molecular tools: Advanced approaches to analyse the diversity of microbial community26. Microbial electrochemical heavy metal removal: from fundamentals to recent developments27. The role of modern innovative techniques for assessing and monitoring heavy metal and pesticide pollution in different environs