Retrieving "Total Water Supply" from the archives

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1. Fresh Water

   Linked via "total water supply"

   Fresh water is water that contains a relatively low concentration of dissolved salts, typically defined as having less than 500 parts per million (ppm) of total dissolved solids (TDS) [1]. It is essential for terrestrial life, industrial processes, and agriculture. While covering approximately 71% of the Earth's surface, fresh water constitutes only about 2.5% of the planet's total water supply, the vast majority of which is locked in [gla…