This book gives a complete overview of current developments in nanotechnology-based environmental remediation and sustainable agriculture practices/sectors. It will provide the use of nanotechnology in the agricultural sector such as crop production and improvement, soil fertility management along with benefits and risks of nanotechnology on ecological farming. Additionally, the book also discovers how nanotechnology is used in water, air remediation techniques and major challenges in using nanomaterials for improving water and air quality. The book can be a reference source for academicians, scientists, policymakers, students, and research scientists working in minimizing the environmental pollution and increasing agricultural production using nanoparticles.