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Greenhouse effect and Global Warming


GREENHOUSE EFFECT AND GLOBAL WARMING


  • Accumulation of gases in the environment tends to increase the greenhouse effect which leads to the global warming.
  • Global warming is defined as the tremendous increase in the temperature of earth’s atmosphere due to change in the normal concentration of gases.

  • Global warming has drastic effects on biotic and abiotic components.

  • Overall increase in temperature.
  • Melting of the polar ice caps.
  • Rise in the level of ocean waters.
  • Change in the rainfall pattern.
  • Affects the biodiversity
  • Affects the agricultural practices.
  • Affects the survival of plants and animals.
  • Ozone layer depletion etc.

 

Ozone layer depletion:

  • Accumulation of chlorofluorocarbons in the atmosphere breaks ozone molecules and thus depletes the ozone layer.
  • CFCs are used in some spray cans to force the contents out of the can.
  • They are also used in refrigerators, air conditioning systems and some fire extinguishers.
  • They are used because they are not poisonous and do not catch fire.

  • This depletion can affect the human health, aquatic life, plants animals and materials.