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Warka Water Towers: A Solution to Water Shortage
We live in a
world where we have achieved miraculous feats by building high resolution
telescopes which can view the infinite cosmos, in a world where we
contrive nano tubes of less than size of a hair strand, in a world
where we have constructed magnificent buildings which touch the skies, in
a world where we can send space ships to different planets, but do these
advancements serve the needs of humanity?
Recently, a scientist Arturo Vittori
found a solution to this problem by constructing towers which convert moisture
to droplets of water. The tower is covered with a bamboo net. The inner layer
of the tower is made up of nylon and polypropylene plastic. The tower is built
to a height of 30 feet so that it can capture sufficient amount of moisture.
The inner layers cool down the moisture to form water. The water is collected
at the bottom part of the tower. This tower is efficient to yield more than 100
liters of pure water a day. These were named as “Warka water towers” as the
working of these towers is very similar to synthesis of water by Warka tree in
Africa. Each tower approximately costs about 30,000 rupees (500 dollars).
These towers are highly useful in African regions like Ethiopia,
Uganda and some middle Asian countries where we cannot find traces of
underground water even at a depth of 1,500 feet. These are useful in hilly
areas where moisture content is very high. These towers even save time as they
do not require the involvement of people. Every day, it is estimated that women
spend a time of 20 crore (200 million in all areas) hours filling water. The
obtained water is free from impurities and is safe for drinking.
Such inventions help mankind to
cater the basic needs of other beings. Two such towers are about to be arranged
in Ethiopia to meet the needs of local people. Such inventions may not solve
the water crisis completely but at least reduce the problem to some extent.
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