Solution:A. Bhopal chemical plant disaster – 1984: (Correct). On the night of 2–3 December 1984, a gas leak at the Union Carbide India Ltd plant caused one of the world’s worst industrial disasters in Bhopal, India.
B. Torrey Canyon oil tanker disaster – 1997: (Incorrect). The Torrey Canyon oil spill occurred in 1967, when a supertanker struck a reef off the coast of Cornwall, UK, spilling thousands of tons of crude oil.
C. MARPOL Convention on oil pollution from ships – 1973: (Correct). The International Convention for the Prevention of Pollution from Ships (MARPOL) was adopted in 1973, addressing marine pollution.
D. UN Law of the Sea Convention – 1982: (Correct). The United Nations Convention on the Law of the Sea (UNCLOS) was adopted in 1982, setting rules on territorial waters, sea lanes, and ocean resources.
E. Chernobyl nuclear disaster – 1996: (Incorrect). The Chernobyl disaster occurred on 26 April 1986, in the Ukrainian SSR of the Soviet Union, not in 1996.