Freshwater is a critical resource for sustaining life, supporting ecosystems, and enabling human development. Despite its importance, freshwater is unevenly distributed across the globe, leading to significant regional disparities and implications for societies. Only about 2.5% of the Earth's water is freshwater, and of this, approximately 68.7% is locked in glaciers and ice caps, 30.1% is stored as groundwater, and a mere 1.2% is found in rivers, lakes, and the atmosphere. This limited availability highlights the vulnerability of human societies to freshwater scarcity, particularly in regions where water stress is acute. Geographically, the distribution of freshwater is influenced by climate, topography, and hydrological cycles. South America, for instance, holds a substantial proportion of the world’s freshwater due to the Amazon Basin, which alone accounts for nearly one-fifth of global river discharge. Similarly, Canada and Russia have abundant freshwater in the form of lakes, rivers, and permafrost reserves. Conversely, regions such as the Middle East, North Africa, and parts of South Asia face chronic freshwater scarcity due to arid climates, limited rainfall, and high evaporation rates. This uneven distribution results in significant challenges for human societies, affecting agriculture, industry, energy production, and domestic use. Freshwater scarcity has direct social, economic, and political implications. In water-stressed regions, competition over limited water resources can exacerbate conflicts both within and between nations. For instance, transboundary rivers such as the Nile, the Indus, and the Jordan present complex geopolitical challenges, where upstream and downstream nations have conflicting water demands. Societies dependent on these rivers often experience tensions over water allocation, which can undermine regional stability. Moreover, the scarcity of freshwater disproportionately affects vulnerable populations, particularly in low-income countries where infrastructure for water storage, purification, and distribution is inadequate. This often results in reduced agricultural productivity, food insecurity, and health risks from waterborne diseases. Climate change further compounds the uneven distribution of freshwater. Alterations in precipitation patterns, melting glaciers, and rising temperatures affect the availability of water in regions that are already vulnerable. For example, South Asia relies heavily on glacial melt from the Himalayas, and declining glacier reserves threaten the long-term water security of millions dependent on