Green House Effect & Global Warming

Tamilnow Articles -> Impact of Green House Gases & Measures to Control Global Warming


Global warming

The two main green house gases are water vapour and CO2 which are controlled by the hydrological cycle and CO2, which is controlled by the global carbon cycle. It is found that an increase in 0.5 degree C temperature and 5 to 10 cm rise in sea level over a period of 100 years. This is due to constant increase in concentration of green house gases in the atmosphere by human activities, such as deforestation, industrialization, increased burning of fossil fuel, mining, exhaust from automobiles and other anthropogenic activities. 

Impact of Green house effect and global warming:

Due to global warming rise of 1.5degree C temperature can adversely affect the food production; biological activity, increased breeding of pest and diseases.

Some of the harmful effects are listed below.

  1. Climatic change
  2. Melting of ice
  3. Rise in sea level
  4. Submergence of coastal wet lands
  5. Change in crop patterns
  6. Dispersion of toxic chemicals
  7. Effects on ecosystem and bio diversity
  8. Change in hydrological cycle
  9. Change in soil characteristics
  10. Change in wind movement
  11. Effects on human health-distribution of vector borne diseases like malaria, filarial etc. higher temperature, humidity increase respiratory skin disease.
  12. Depletion of ozone layer.
  13. Causes acid rain.

Measures to control or limit Global Warming

Some of the measures to check Global warming are:

  • Cutting the emission of CO2, reducing the usage of fossil fuel and inverting energy conservation measures and utilizing renewable energy sources  Wind, solar, hydro power roller etc.
  • Implementing of reforestation programme to enhance the natural sinks of CO2.
  • Adoption of sustainable agriculture.
  •  Removing atmosphere CO2 by utilizing photosynthetic algal.
  • Cut down the current rate of use of CFC and fossil fuel.
  •  Efficient energy management.
  •  Shift to renewable energy resource.
  •  Increase in plantation of trees.
  • Trap and use methane as a fuel.
  • Adopt sustainable agriculture.
  • Stabilize population growth.
  • Control measures to remove CO2.

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