Question

Global warming essay of points what is global warming -its caues-its effect -corrective measures of gobal warnming -conclusion

Answer 1

Global warming is a gradual process however increasing day by day because of the human beings. There are many natural causes also but they are contributing less than the human made causes. Now the effects of global warming can be easily felt by us such as decreasing winter season length and increasing summer season length. Earth is getting warm and warmer, even in the last decades the temperature of the earth has increased to a great extent. There are some effective measures following on the global level by the human beings may reduce the effect of global warming. Increasing effect of global warming indicates the end of life existence on the earth. The main reason of the origin of this demon is the human mistakes.

Burning fossil fuel naturally or by man increases the level of carbon dioxide emissions (coal powered plants-93%, power production industries-40%, and other industries) in the atmosphere. Other reason of increasing CO2 emissions is increasing demand of the vehicles on the road. Vehicles use gasoline which causes emission of CO2 gas as a by-product. Some faulty engines of the vehicles or vehicles giving less mileage contribute more carbon emission. Now-a-days, automobile manufacturers have been warned to manufacture more efficient engines of the vehicles in order to reduce carbon dioxide gas emission to the atmosphere. Increasing demands of the vehicles are creating more challenges to the global warming.

Deforestation and increasing human population are the main reasons of the increasing global warming. Deforestation causes removal of plants from the earth which disturbs the natural carbon cycle. Plants are the main utilizers of the carbon dioxide gas as their food and when the number of plants decreases on the earth cause increase in the level of this harmful gas in the earth atmosphere. The released CO2 gets collected in the environment and absorbs more heat from the sun rays and ultimately increases the temperature of the earth. The increased earth temperature cause increase in the global warming.

Animals are also the source of releasing some methane into the atmosphere which is also harmful for the earth. Burning of coal, oil, and gas causes increase in atmospheric greenhouse effect and rise in temperature which causes ice caps to melt and heat the earth. Ice caps play great role in the cooling of the earth by reflecting sun heat back to the space, however cooling effects lasts when ice caps melts.

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Answer 2

EFFECTS OF GLOBAL WARMING ARE AS FOLLOWS :

=> An increase of as less 1°C in Earth's temperature can lead to melting of polar ice caps and consequent rise in sea level. A rise in sea level can submerge a number of major cities of the world, which are located along the sea coasts. Besides causing the floods in low-lying coastal cities, global warming poses a threat of recurrence of dust bowl condition of 1930's. Dust bowl is an area where vegetation has been lost and soil reduced to dust making it susceptible to erosion.

=> Increase in temperature of the Earth due to green house effect will cause a change in weather and precipitation patterns on the Earth.

=> One of the danger of continued global warming is methane burp whch is caused by the melting of the methane hydrates in permafrost (of polar ice) and on the sea floor. Methane being a green house gad increases global warming.