On May 18, 1971, the World Bank approved its first loan for pollution control. The loan was approved for the Sao Paulo Water Supply and Pollution Control projects to improve the water supply and sewerage services in and around the city of Sao Paulo. Pollution control had become a necessity in this large metropolitan area. In this regard the World Bank developed a long term program aimed at abating the severe pollution of the rivers around Sao Paulo...
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