What Percentage Of The World S Water Is Fresh

And just one percent of freshwater is easily.

Water distribution on earth saline water in oceans seas and saline groundwater make up about 97 of all the water on earth. Safeguarding water supplies is important because even though nearly 70 percent of the world is covered by water only 2 5 percent of it is fresh. As stated above about 2 5 of the earth s water is freshwater. On these pages explore the multiple dimensions of water and sanitation.

Of the fresh water available on earth only 31 is accessible for use. The data on water consumption in the world is provided by the united nations un unesco and fao see list of publications below. Freshwater makes up a very small fraction of all water on the planet. Only 2 5 2 75 is fresh water including 1 75 2 frozen in glaciers ice and snow 0 5 0 75 as fresh groundwater and soil moisture and less than 0 01 of it as surface water in lakes swamps and rivers.

Nearly 69 percent is held in glaciers and ice caps. To break the numbers down 96 5 of all the earth s water is contained within the oceans as salt water while the remaining 3 5 is freshwater lakes and frozen water locked up in glaciers and the. Department of the interior geological survey. Water is a precondition for human existence and for the sustainability of the planet.

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Water removed for use and not returned to its source. Of the earth s water 97 percent is saline while 3 percent is fresh water meaning it has low concentrations of dissolved salts and other total dissolved solids. All figures are estimated. But complexity should not hinder understanding.

Water is complex because it is linked to almost everything in the world. About 69 of the fresh water is in form of ice cap and glacier in places like the antarctic and greenland ice sheet further reducing the quantity of the available drinking water. The rest is saline and ocean based. Of the waters occupying 70 of the earth s surface only 3 is considered fresh water.

While nearly 70 percent of the world is covered by water only 2 5 percent of it is fresh. Worldwide agriculture accounts for 70 of all water consumption compared to 20 for industry and 10 for domestic use.