Which of the following CANNOT be considered as a measure to control global warming?

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RRB JE ECE 22 Apr 2025 Shift 1 CBT 2 Official Paper
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  1. Efficiently using energy
  2. Cutting down use of fossil fuel
  3. Reduction in emission of greenhouse gases
  4. Causing deforestation

Answer (Detailed Solution Below)

Option 4 : Causing deforestation
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The correct answer is Causing deforestation.

Key Points

  • Deforestation refers to the clearing or thinning of forests by humans, which can lead to the permanent destruction of forests.
  • It contributes significantly to global warming as it reduces the number of trees that can absorb carbon dioxide from the atmosphere.
  • Cutting down forests releases stored carbon dioxide back into the atmosphere, exacerbating the greenhouse effect.
  • Trees play a crucial role in maintaining the balance of oxygen and carbon dioxide in the atmosphere.
  • Deforestation also disrupts local ecosystems, leading to a loss of biodiversity and negatively impacting wildlife habitats.
  • It can cause soil erosion, reducing the land's fertility and leading to desertification in extreme cases.

 Additional Information

  • Efficiently using energy
    • Improving energy efficiency helps reduce energy consumption and greenhouse gas emissions.
    • Examples include using energy-efficient appliances, better insulation in buildings, and adopting renewable energy sources.
  • Cutting down use of fossil fuel
    • Fossil fuels such as coal, oil, and natural gas are major sources of greenhouse gases when burned for energy.
    • Reducing reliance on fossil fuels can significantly lower carbon emissions and mitigate global warming.
  • Reduction in emission of greenhouse gases
    • Greenhouse gases include carbon dioxide, methane, and nitrous oxide, which trap heat in the atmosphere.
    • Reducing emissions can be achieved through various means, including cleaner production methods, carbon capture, and switching to renewable energy.
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