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UPSC Prelims 2026 GS Paper 1, question 45

Topic: Environment and ecology

Q45

Which of the following statements with regard to Green Hydrogen is/are correct ?

  1. It is decarbonized hydrogen obtained from natural gas reforming combined with carbon capture and storage (CCS).

  2. It is produced using electrolysis of water with electricity generated by renewable energy.

  3. National Green Hydrogen Mission of India aims for abatement of nearly 50 MMT of annual greenhouse gas emissions by 2030.

Select the answer using the code given below :

  1. (a) 1 only
  2. (b) 2 and 3 onlyCorrect answer
  3. (c) 2 only
  4. (d) 1, 2 and 3

Solution.

Answer: (b) 2 and 3 only

  1. Statement 1 is incorrect: hydrogen produced from natural gas reforming coupled with carbon capture and storage (CCS) is classified as 'Blue Hydrogen', not Green Hydrogen.
  2. Statement 2 is correct: Green Hydrogen is produced by the electrolysis of water powered by renewable electricity (or from biomass gasification meeting the < 2 kg CO2 eq/kg H2 threshold).
  3. Statement 3 is correct: India's National Green Hydrogen Mission aims to achieve 5 MMT of annual green hydrogen production and avert nearly 50 MMT of annual greenhouse gas emissions by 2030.