What is Global Warming?


When the earth’s surface temperature increases because of greenhouse gases like carbon dioxide, it is known as Global Warming. Carbon dioxide that is emitted because of deforestation and fossil burning traps the heat and contributes to the temperatures increase on the earth. As human beings exploit the treasures of the earth aggressively, global warming is also increasing. The greenhouses gases are at their peak levels in the atmosphere today.


Global Warming

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Greenhouse gases have more than two atoms with internal vibrational modes. These modes are responsible for greenhouse effect as they absorb and reradiate infrared radiation. Carbon dioxide belongs to this category which can stay in the atmosphere for a very longer time.



There are several causes of global warming and human beings are mainly responsible. As we learnt to use the various resources of nature, earth’s surface is being depleted of its natural wealth like fossils, fuel, coal and other mineral resources. Trees are ruthlessly cut, fossils are burnt for fuel, chemicals are abundantly used in almost every field and carbon emissions are seen because of the use of transportation globally. The result is, there are various types of pollution everywhere and the temperatures are increasing all over the world.


The impact of global warming can be felt in many areas like

Seas: Sea levels are increasing because glaciers at the arctic region are melting as there is an increase in temperatures. There is a danger of low lying areas getting submerged into the sea waters.


Rainfall: There is an imbalance of rain and drought. Some regions experience heavy rainfall whereas some areas are totally dry because of uneven distribution of temperatures. That’s the reason why there is an increase in floods and droughts through the world.


Glaciers: Heavy ice glaciers that are located in the arctic regions are experiencing sharp melting as the temperatures are not sufficient for the glaciers to remain in their form. As a result animals that survive in arctic regions like Polar Bear are getting extinct because of shortage of food.


Diseases: Diseases like malaria that are usually seen in warm countries are spreading to other regions where the temperatures are increasing.


Coral reefs: Almost one third of the coral reefs that are seen in oceans and seas are getting affected as the temperatures of the waters are increasing.


Sea life: As there is a loss of Plankton, its effect is seen on the numbers of whales, sea lions, sea otters and other fish. There is a possibility of extinction of several precious species because of global warming.


Atmosphere: Earth’s atmosphere is getting warmer every day because of carbon emissions. Vehicles and factories emit gases that are very harmful for earth’s atmosphere.


An organization known as Intergovernmental Panel on Climate Change (IPCC) was formed in 1998 by World Meteorological Organization and United Nations Environment Programme. This organization assesses the technical, scientific and socio-economic information to comprehend the risks of human induced climate changes. As per the 2001 report of IPCC, “there is new and stronger evidence that most of the warming observed over the last fifty years is attributable to human activities”.


Possible measures to check Global Warming
  • Efforts should be made to invent new technologies that are not harmful to earth’s atmosphere. Developed countries should take a note and take measures to reduce carbon emissions.
  • Power generation by windmills and solar energy should be encouraged. Carbon emissions will be cut drastically by using these natural energy resources like wind and sun.
  • Carbon emissions from vehicles should be controlled by inventing new technologies that are eco friendly.
  • Carbon dioxide emissions can be controlled by using CFl bulbs and LED lights. These bulbs consume seventy five percent less energy than the conventional bulbs.
  • While purchasing products consumers can check for the details of eco friendliness of the product. Energy saving products are being made these days. It is better to go for them.
  • Recycling of products should be done. Companies should take the responsibility to recycle the products so that the surroundings are not polluted.
  • Public transport systems should be well developed especially in developing countries like India. It reduces the usage of cars and other vehicles by commuters who commute to work every day in their vehicles. Car pooling is also another option to reduce carbon emissions and help in fuel conservation.


Apart from individual efforts all governments worldwide should take active part in reducing greenhouse gases which are harmful for human survival. Strict rules and regulations should be framed to protect environment and any violation should be legally punished.

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