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water cycle and insecurity
7. Global Water Insecurity
Why are places under pressure?
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chloe edwards
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Cards (6)
Increasing Population
A average population growth of
70 million
a year puts pressure on freshwater supplies
Industrialisation
Between 2000-2050, water demand for manufacturing is supposed increase by
400%
, mostly in
emerging
and
developing
countries
Agriculture
Inefficient uses of water and growing demand leads to
degradation
of wildlife,
depletion
of aquifers, saltwater
intrusion
and
fertiliser
pollution
What is saltwater intrusion?
Saltwater intrusion is the movement of salty water into
freshwater aquifers
due to
overconsumption,
which can
contaminate
drinking water sources.
What water issues do Mumbai have?
25%
of Mumbais sewage is untreated, and the
Mithi river
contains
16x
the limit of fecal matter
What water issues does China have?
90%
of their
groundwater
is polluted and
northern
rivers are running dry