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Nitrous oxide emissions in India UPSC NOTE


  • India is the world’s second largest source of nitrous oxide (N2O)

  • Nearly 11% of such global man-made emissions in 2020 were from India, topped only by China at 16%.

  • The major source of these emissions comes from fertilizer usage, according to a global assessment of N2O emissions published in the journal Earth System Science Data

  • In 2022, the concentration of atmospheric N2O reached about 25% above the levels seen before the industrial age

  • In comparison, the concentration of carbon dioxide was 417 parts per million in 2022.

  • This means that the current level of carbon dioxide in the atmosphere is a thousand times more than that of nitrous oxide, making carbon dioxide reduction the bigger priority among countries trying to contain climate change

  • However, because nitrous oxide stays longer in the atmosphere and is rising rapidly, scientists in recent years have been warning that it must also be tackled with a greater sense of urgency

  • Agricultural production using nitrogen fertilizers, such as ammonia, and animal manure contributed 74% of the total anthropogenic N2O emissions in the last decade

  • N2O emissions from human activities, responsible for 6.4% of the effective radiative forcing of greenhouse gases, have added about 0.1 degree Celsius to current global warming.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Nitrous oxide emissions in India UPSC NOTE
Nitrous oxide emissions in India UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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