Massive fish deaths in Periyar river tributary due to ammonia, hydrogen sulphide, unidentified toxins: Report

A report by Kerala University of Fisheries and Ocean Studies reveals high levels of ammonia, hydrogen sulphide, and unidentified toxins in a Periyar river tributary in Ernakulam, causing massive fish deaths. The investigation emphasizes the need for further chemical tests to identify pollution sources and unknown toxins, urging...