FAQs about Water Pollution and Shortage

11. What are water stress, periodic scarcity and water scarcity?

Water scarcity is one of the main problems of the 21st century, which is already facing many
countries on the five continents of the world. During the 20th century, water consumption doubled above the population growth rate and, “although it is not possible to speak of water scarcity at a global level, the number of regions with chronic levels of water deficiency is increasing.”

One approach applied to measuring water scarcity has been to classify countries according to the amount of annual water resources available per person, following the Falkenmark Water Stress Index.

Water stress. It occurs “when annual water supplies drop to 1700 cubic meters per person per year.

Periodic scarcity is when water levels drop between 1,700 and 1,000 cubic meters per person per year.

Water scarcity occurs when the water supply falls below 1000 cubic meters per person per year.

Other sections of Pollution and degradation of soils

Planet Water without water

Our planet could have been called “Water” instead of Earth, because of the immense amount of the vital liquid that it houses. For something is blue and not ocher, although the atmosphere also helps paint that wonderful tone…

You can also see it in…


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…when visit the Great Topic Water