India, June 20 -- Water is essential for all living beings to survive. Despite the Earth being covered by about 71 per cent water-across oceans, seas, lakes, rivers, and other bodies - only a small fraction is fresh and usable. Oceans are vast, continuous expanses of saltwater, while seas, though smaller and land-enclosed, are directly linked to human livelihoods. However, freshwater makes up just 2.5 per cent of the Earth's total water, with 98.8 per cent of it locked away in ice caps and underground aquifers. A mere 0.3 per cent is readily accessible in rivers, lakes, and the atmosphere. With the intensifying threat of climate change, rising populations, deforestation, air pollution, and soil degradation, the availability and management o...