Brazil battles pollution, floods and drought to provide fresh water

Foam floats on a polluted river in Sao Paulo, Brazil (photo: dpa)
Foam floats on a polluted river in Sao Paulo, Brazil (photo: dpa)

Water is one of the world's most vital resources. Brazil has plenty of it, but safeguarding its quality and delivery faces increasing challenges from the country's variable climate and contamination in built-up areas. New laws have encouraged conservation and water charges have been introduced, but there is still plenty of work to be done, writes Professor Monica Porto, a water expert from Sao Paolo University, Brazil.

FOOD production and sustaining the quality of life will largely depend on reliable water sources as the world’s population continues to grow.

The risk of shortages has increased because of expanding demand and reduced quality.

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