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The death of Brazil’s Tietê River

The Tietê River flows through a densely populated region of Brazil of over 33 million inhabitants, including the city of Sao Paulo. While treated drinking water was widely available by the late 1980′s, only 63% of these people had access to sewage collection.

tite The death of Brazils Tietê RiverThis meant that four million people discharged their waste into septic tanks, whose contents overflowed city storm sewers and contaminated the water supply. Since the city is so close to the Tietê’s headwaters, this sewage concentrated, mixing with the existing pollution and causing floating foams and strong odours in many parts of the river.

Public outcry over the situation reached a peak in 1992, when over a million signatures were gathered in protest of the poor water quality. In response to the campaign, which also involved strong support from the Brazilian press, the state government of Sao Paulo created the massive Tietê Project.

The Tietê is still polluted.

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