Water sustainability is the study of managing water resources in a way that ensures their availability for future generations while also meeting the current needs of society. This research area focuses on finding solutions to issues such as water scarcity, pollution, and inequitable access to clean water. It also involves studying the impact of climate change on water availability and quality, as well as developing strategies for sustainable water management practices in agriculture, industry, and urban areas. Overall, the goal of water sustainability research is to ensure a reliable and equitable supply of clean water for human and ecological needs.