1. Activity and Diversity of Aerobic Methanotrophs in Thermal Springs of the Russian Far East 2. Promoting Crop Growth with Symbiotic Microbes in Agro-Ecosystems in Climate Change Era 3. Bacillus: Plant Growth Promoting Bacteria for Sustainable Agriculture and Environment 4. Role of Microbes in Restoration Ecology and Ecosystem Services 5. The Role of Plant-Associated Bacteria in Phytoremediation of Trace Metals in Contaminated Soils 6. Algae as a Sustainable and Renewable Bioresource for Bio-Fuel Production 7. A Green Nano-Synthesis to Explore the Plant-Microbe Interactions 8. Microbial Biotechnology: A Promising Implement for Sustainable Agriculture 9. Rhizospheric Microbial Diversity: An Important Component for Abiotic Stress Management in Crop Plants Toward Sustainable Agriculture 10. Functional Importance of the Phyllosphere Microbiome and Its Implications in Agriculture 11. Fungi as Promising Biofuel Resource 12. Arbuscular Mycorrhizae: Natural Ecological Engineers for Agro-Ecosystem Sustainability 13. Biocontrol Strategies for Effective Management of Phytopathogenic Fungi Associated With Cereals 14. Municipal Solid Waste to Bioenergy: Current Status, Opportunities and Challenges in Indian Context 15. Microbes as Bio-Resource for Sustainable Production of Biofuels and Other Bioenergy Products 16. Microbes-Assisted Remediation of Metal Polluted Soils 17. The Prospects of Bio-Fertilizer Technology for Productive and Sustainable Agricultural Growth 18. Plant-Microbe Interactions in Ecosystems Functioning and Sustainability 19. Azotobacter- A Natural Resource for Bioremediation of Toxic Pesticides in Soil Ecosystems 20. Significances of Fungi in Bioremediation of Contaminated Soil 21. Microalgae-Assisted Phyco-Remediation and Energy Crisis Solution: Challenges and Opportunity