Abiotic Stress in Plants: Socio-economic Consequences and Crop Plants Responses -- Plant Abiotic Stress Tolerance Mechanisms -- Biotechnology Strategies to Combat Plant Abiotic Stress -- Nanomaterials Fundamentals: Classification, Synthesis and Characterization -- Utilization of Nanobiotechnology in Modern Agriculture -- Contributions of Nano Biosensors in Managing Environmental Stresses under Climate Change Era -- Utilization of Nanobiotechnology to Alleviate Impact of Abiotic Stress in Crop Plants -- Green Synthesis of Nanoparticles Using Different Plant Extracts and their Characterizations -- Applications of Plant-Derived Nanomaterials in Mitigation of Crop Abiotic Stress -- Biosynthesis and Characterization of Microorganisms-Derived Nanomaterials -- Utilization of Nanofertilizers in Plant Tolerance to Abiotic Stress -- Role of Nanomaterials in Regulating Reactive Species as a Signaling Molecule of Abiotic Stress -- Role of Nanomaterials in Regulating Oxidative Stress -- Plant Stress Enzymes Nanobiotechnology -- Plant Stress Hormones Nanobiotechnology -- Effect of Nanoparticle on Plant Growth and Development -- Application of Nanobiotechnology in Overcoming Salinity Stress -- Application of Nanobiotechnology in Overcoming Drought Stress -- Application of Nanobiotechnology in Overcoming Temperature Stress -- Application of Nanobiotechnology in Overcoming Mineral Nutrients Stress -- Nanomaterials Combat Heavy Metals Toxicity by Modulating Oxidative Stress Pathways in Plants -- Nanonutrients: Plant Nutritive and Possible Antioxidant Regulators -- Impact of Nanomaterials Stress on Plants -- Biosafety of Nanomaterials for Plants to Coup with Stress Conditions -- Nanomaterials in Combating Plant Stress: An Approach for Future Applications.