Mercury Poisoning from 1932 Led to Mysterious Disease Named Minamata in 1956
GS3Economy · S&T · Environment · Security· Biotechnology & health research· Prelims + Mains·
Why in news
The historical context of Minamata disease is highlighted as a catalyst for global mercury regulation and the Minamata Convention.
Background
In 1932, Chisso Corporation released mercury-laden wastewater into Minamata Bay. By 1956, a neurological disorder (Minamata disease) was identified, caused by methylmercury biomagnification in seafood.
Facts for Prelims
- S&TMethylmercury: A potent neurotoxin that biomagnifies in marine food chains.
- Intl. orgMinamata Convention: A global treaty adopted in 2013 to protect human health and the environment from mercury.
- FactMinamata disease: A neurological syndrome caused by severe mercury poisoning.
For Mains
Q. Discuss the significance of the Minamata Convention in addressing industrial pollution and its impact on global public health and environmental safety.
Dimensions to cover in your answer
- biomagnification process
- industrial accountability
- global regulatory framework
- prevention of heavy metal poisoning
Keywords: biomagnification · neurotoxicity · industrial pollution · environmental governance · public health
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