environment hard MCQ

Which of the following greenhouse gases has the highest Global Warming Potential (GWP) per molecule over a 100-year period?

  1. Carbon dioxide
  2. Methane
  3. Nitrous oxide
  4. Sulphur hexafluoride (SF6)

Answer: Sulphur hexafluoride (SF6)

SF6 is the most potent greenhouse gas evaluated by the IPCC, with a GWP of 23,500 times that of CO2 over 100 years.

Topic Climate Change
Exam Relevance UPSC
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