This book encompasses updated information as well as future directions for researchers working in the fields of environmental science, water resource engineering, and agricultural science. Navigating the Nexus: Hydrology, Agriculture, Pollution, and Climate Change focuses on the thematic areas of water resource, agriculture, and environmental domains. This book covers advances in modelling approaches, including Machine Learning (ML)/Artificial Intelligence (AI) applications; GIS and remote sensing; and sensors; to provide hydrological, agricultural, and environmental solutions during the ongoing climate crisis.