Science & Technology·Key Discoveries

Environmental Chemistry — Key Discoveries

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Version 1Updated 9 Mar 2026

Key Discoveries

M.C. Mehta v. Union of India (Ganga Pollution Case)

1987

This landmark judgment by the Supreme Court of India highlighted the critical issue of industrial pollution in the Ganga river, emphasizing the 'polluter pays' principle and the…

Vellore Citizens' Welfare Forum v. Union of India

1996

This case dealt with severe groundwater pollution caused by tanneries in Tamil Nadu, which discharged untreated effluents containing heavy metals and other toxic chemicals. The…

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