This book offers vital research on science and sustainability, aimed at researchers and professionals. It explores innovations in nanotechnology, agriculture, health, and energy that tackle global issues. Notable studies include nano-enhanced extracts, advances in hydrogel medical treatments, and eco-friendly applications of Zinc oxide nanoparticles. Additionally, it addresses renewable energy, sustainable agriculture for food security, and highlights worker and environmental safety in wastewater treatment, making it an essential resource for those committed to innovation.