Ottawa Students Take Prize for Desalination Technology

A recent estimate for the total global freshwater is 35,000,000 cubic
kilometers. Sounds like a lot right? Not quite. Humans depend on
freshwater to survive, but unfortunately it only accounts for 2.5% of
the Earth’s total water volume. Geophysicists and climatologists
maintain that changes in climate conditions and stresses on water
supply from overconsumption of groundwater resources and population
growth will bring 45% of the world’s population below the Basic Water
Requirement (BWR) by 2050. Water supply is difficult to adjust because
renewable freshwater sources such as rain and groundwater are highly
variable with respect to meteorological and geographical factors.
Currently, households and farmers are consuming freshwater at rates
that are below the sustainable yield.

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