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Explain global warming in detail.

Asked by chittukala7 21st December 2015, 6:49 PM
Answered by Expert
Answer:

Hi Chittu,

  • Certain gases, especially CO2, methane, nitric oxide and nitrous oxide, in the atmosphere act as greenhouse gases.
  • Their increased accumulation in the atmosphere prevents the escape of heat which warms the air.
  • Due to industrialisation and rising population, more CO2 is released.
  • At the same time, due to deforestation, there is decrease in utilisation of CO2 by green plants.
  • Overall rise in CO2 has lead to greater retention of solar radiation in the atmosphere, causing global warming.
  • During the last three decades, the temperature of the Earth’s atmosphere has increased by 0.5°C.
  • Global warming leads to melting of snow caps, rise in sea level, decline in agricultural production and extinction of species such as the polar bear.
Answered by Expert 21st December 2015, 6:56 PM
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