in the present time, human being is involved in anti menvironmental activities. Producing waste, indiscriminate use of petrol or diesel,deforestation, burning coal and fire in the forest, use of chlorofluorocarbon for refrigeration, aerosol cans etc. are the examples of abuse of environment. This is a big threat to the world. Our activities cause long term negative effect on the environment. Which include - cyclone, sudden change in the atmosphere, increase in the temperature and the melting of glaciers in the north and south poles and as a result of which increase in the level of water in the sea. The sea water level is rising at the rate of one inch every five years. Due to this, three islands of the Republic of Maldives have sunk.
This change in the climate is known as “Green House Effect.” Green House has a glass roof which gets warmer due to the sun light. But this warm air is prevented from escaping out. In the similar manner gases like carbon dioxide, methane and nitrous oxide that are released into atmosphere, stop escape of the suns heat and turn the earth into a vast Green House. The level of these three glass has been inëreasing since the middle of the 18th century and it is still increasing. If this process goes on like this, the temperature on the earth's surface would increase by 3.5 degree Fahrenheit. Even an are rage increase of 1 to 2 degrees in the regional climate would disrupt agriculture world-wide.
Because of this type of trend, the big glaciers will melt and bring the sea water level high. As a result, some coastal areas will have severe flood.
To reduce the amount of carbon dioxide in the air we should grow more trees and put ban on the use of chlorofluorocarbon in the refrigerators. It would bring some improvement in the ozone layer. As the damage in the ozone layer is huge, we need 50 to 100 years to get back the same thickness of the ozone layer. A report published by the United Nations reveals that pollution has reached up to 3 kms. about the level of the earth in the North Asian countries including India. Because of this, there is a change in the pattern of climate and its effects on the crops. As a result many people will die due to the respiratory problem. It is a grave problem for the whole world. So people have to try to reduce the smoke coming out of the vehicles and the use of energy should be restricted.