Answer:
India
traditionally possesses the knowledge of rain water harvesting and water
conservation compatible with the culture and ecology of the region.
Modern India on its way of progressive development has depleted much of
its fresh water, ground water etc. Now it is concerned for conservation of such
valuable resources from further depletion. Bigger projects like canal.
Multi-purpose projects etc are made but these could not satisfactorily keep
their promise but now often induce fear of various measures like flood havoc,
water borne disease etc.
The displacement of local people and submergence of
forest land and arable land put socio-economic as well as environmental impact through
such big projects.
Again flow water in rivers are now contaminated through
industrial wastes and agricultral pesticides uses and become unfit for human
use. Ground water is also depleted and contaminated by over-exploitation and
mismanagement. But different water harvesting practices could lessen such.
All these aspects put stress on fresh water availability.
And in this situation practice of rainwater harvest is the only hope. It put no
harm to society, economy and environment and satisfy the basic need of human
life, drinking water requirement. So, water harvesting system is a viable
alternative in India now.
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