3. More than 40 tons of methyl isocyanate spilled from a Union Carbide-owned pesticide factory in Bhopal, India, in 1984, killing more than 20, 000 people in the world’s worst chemical disaster.
7. For many Indians, Dow is synonymous with the 1984 industrial accident at Bhopal in central India, when tonnes of toxic gas leaked from a Union Carbide pesticide plant, killing nearly 3,800 people.