Preface.- 1. Role of Quantum Dots, Polymeric NPs and Dendrimers in Emphasizing Crops Tolerate Biotic and Abiotic Stresses (Khaled F.M. Salem, Maysoun M. Saleh, Farrag F.B. Abu-Ellail, Heba S. Abbas and Amira S. Mahmoud).- 2. Climate Change Mitigation and Nanotechnology: An Overview (Asha Kumari, Mahendar Sing Bhinda, Binny Sharma, and Manoj Parihar).- 3. Nanoparticles: As a New Promising Tool to Increase Plant Immunity (Radwan Khalil, Nesma ElSayed, and Hanan A. Hashem).- 4. Exploring Nanotechnology to Reduce Stress: Mechanism of Nanomaterial-Mediated Alleviation (Sidra tul Muntha, Mohammad Faizan, Saba Mehreen, and Shareen).- 5. Alleviation Mechanism of Drought Stress in plants by Metal Nanoparticles - A Perspective Analysis (Iqra Naseer, Sumera Javad, Ajit Singh, Saba Maqsood, Sumera Iqbal, and Khajista Jabeen).- 6. Role of Various Nanoparticles in Countering Heavy Metal, Salt, and Drought Stress in Plants (Suliman Mohammed Alghanem, Haifa AbdulazizS. Alhaithloul, Magdi T. Abdelhamid, and Mona H. Soliman).- 7. Mode of Action and Signaling of Nanoparticles to Alleviate Stress in Crop Plants (Nazish and Babli).- 8. Impact of Nanoparticles and Nanoparticle-Coated Biomolecules to Ameliorate Salinity Stress in Plants with Special Reference to Physiological, Biochemical and Molecular Mechanism of Action (Akankhya Guru, Soumya Kumar Sahoo, Payel Saha, and Padmanabh Dwivedi).- 9. Effect of Carbon Nanotubes on Stress Response in Plants: An Overview (Mohammad Faizan, Anjuman Hussain, Anayat Rasool Mir, Vishnu D. Rajput, Tatiana Minkina, and Shamsul Hayat).- 10. Responses of Crop Plants under Nanoparticles Supply in Alleviating Biotic and Abiotic Stresses (Sameer H. Qari, Awatif M. Abdulmajeed, Taghreed S. Alnusaire, and Mona H. Soliman).- 11. Nanotechnological Approaches for Efficient Delivery of Plant Ingredients (Maysoun M. Saleh, Amira S. Mahmoud, Heba S. Abbas, Farrag F.B. Abu-Ellail, Muddukrishnaiah Kotakonda, and Khaled F.M. Salem).- 12. Enhancement of Stress Tolerance of Crop Plants by Zinc Oxide Nanoparticles (Martin Sebesta, Sindy Kurtinova, Marek Kolencik, and Ramakanth Illa).- 13. Effects of Nanoparticles on Alleviating Phytotoxicity of Soil Heavy Metals: Potential for Enhancing Phytoremediation (Aurang Zeb, Weitao Liu, and Yinlong Zhang).- 14. Bio-fabricated Silver Nanoparticles: A Sustainable Approach for Augmentation of Plant Growth and Pathogen Control (Amna, Baber Ali, Muhammad Atif Azeem, Ayesha Qayyum, Ghazala Mustafa, Ansar, Muhammad Tariq Javed, and Hassan Javed Chaudhary).- 15. Nano-Proteomics of Stress Tolerance in Crop Plants (Ghazala Mustafa, Atikah Farooq, Murtaza Hasan, and Amna).- 16. Role of chitosan nanoparticles in regulation of plant physiology under abiotic stress (Yamshi Arif, Husna Siddiqui and Shamsul Hayat).- Index.