Let's Know Top 10 Water Facts - Worldwide Water Supply
1. Water covers about 71% of the earth's surface.
2020
2,4
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2. 326 million cubic miles of water on the planet
2025
3. 97% of the earth's water is found in the oceans (too salty for drinking, growing crops, and most industrial uses except cooling).
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4. 320 million cubic miles of water in the oceans
2050
Level 1
5. 3% of the earth's water is fresh.
6. 2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; or lies too far under the earth's surface to be extracted at an affordable cost.
7. 0.5% of the earth's water is available fresh water.
Level 2
9. In actuality, that amounts to an average of 8.4 million liters (2.2 million gallons) for each person on earth.
Level 4
8. If the world's water supply were only 100 liters (26 gallons), our usable water supply of fresh water would be only about 0.003 liter (one-half teaspoon).
Level 5
10. This supply is continually collected, purified, and distributed in the natural hydrologic (water) cycle.
10. This supply is continually collected, purified, and distributed in the natural hydrologic (water) cycle.