Synopsis : Chennai’s Marina Beach turned white with thick foam after a fresh spell of monsoon rain. Experts attributed the froth to the presence of chemical surfactants and phosphates from untreated sewage.

Chennai’s Marina Beach turned white with thick foam after a fresh spell of monsoon rain on Tuesday, 28 October, startling morning walkers and vendors.

The froth, seen along the shore near the Adyar estuary at Pattinambakkam, once again drew attention to the city’s recurring pollution problem that surfaces along the coast during the rainy season. According to civic officials, the foam formed where rainwater from city canals mixed with seawater near the Adyar estuary.

Experts attributed the froth to the presence of chemical surfactants and phosphates from untreated sewage, human was

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