India marks National Pollution Control Day on December 2 in the honor of people who lost their lives during the horrific 1984 Bhopal Gas Tragedy. The theme for National Pollution Control Day 2020 sheds light on the goal to raise awareness towards the cause of pollution, and to remind people about the different ways to reduce pollution.

The Bhopal Gas Tragedy, or Bhopal disaster, took place on the night of 2-3 December in 1984 when a gas leak in the Union Carbide India Limited pesticide plant resulted in over 5 lakh people getting exposed to methyl isocyanate (MIC) gas. As per the official records of the government of Madhya Pradesh, a total of 3,788 people were killed in the gas release and 5,74,366 injured victims sustained injuries.