The summary discusses the 1984 Bhopal gas tragedy in India, one of the worst industrial disasters in history. On the night of December 2nd-3rd, a toxic gas cloud containing methyl isocyanate gas leaked from a Union Carbide pesticide plant in Bhopal. Over 600,000 people were exposed to the gas, resulting in over 3,500 deaths in the first week alone. The leak was caused by water accidentally entering a storage tank during cleaning, triggering an exothermic reaction that produced a large amount of gas. The design of the plant and its safety systems were inadequate and contributed to the massive scale of the disaster. The response to the disaster was hampered by a lack of emergency plans and