Question

Which greenhouse gas has the highest warming potential among the following?

• A. Carbon dioxide (CO₂)
• B. Methane (CH₄)
• C. Sulphur hexafluoride (SF₆)
• D. Water vapor (H₂O)

Answer 1

Answer:

C. Sulphur hexafluoride (SF₆)

• SF₆ is an extremely potent greenhouse gas with very high global warming potential compared to CO₂ or methane.