Foul Odour Returns to Karachi Due to Decomposing Phytoplankton

Karachi: The city has been enveloped in a foul odour, particularly in its coastal areas. This unpleasant smell stems from the decomposition of aquatic plants known as phytoplankton. This phenomenon occurs annually and is linked to changing wind patterns. Residents first noticed the unusual stench after the monsoon rains ended on September 5. The recent …

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