Pollution has of late become an international problem in the industrial cities all over the world. As new townships are growing up, population explosion is also increasing in a threatening ratio, as a result of which, new pollution-problems are becoming rampant. There are various types of pollution like air pollution, water pollution, environmental pollution, etc. Pollution is gradually becoming a challenge to the very existence of human life. Kolkata is not an exception. Smoke out of chimneys of big factories in the city makes the air heavy and suffocating, particularly, in winter days. Kolkattans are constantly inhaling that and consequently they become prey to many fell diseases. Buses and trucks are always emitting petrol and diesel gas which is very harmful. Moreover, there are many factories on both the sides of the river Hooghly. They throw their refuge into the river polluting its water. The river Hooghly is regarded holy by the Hindus. But they do not know how much polluted its water I People living in Kolkata do not have the least sense of hygiene. They attend to their nature’s call on public thoroughfares. It also causes pollution in the city in many ways. In developed countries Scientists have devised various means to check pollution and their governments have already enacted laws against pollution. Persons violating them are severely punished. In our country, too, the government has recently become aware of this bane of pollution and has taken legislative measures against pollution. But the government only cannot eradicate the roots of this curse by making laws. It is the people’s awareness of this danger and mass-education that can help the governments to successfully fight out the threat of pollution. If Kolkata Luis to be saves from pollution, similar laws should be enacted and strictly adhered to.
