Consider the following statements I. As a greenhouse gas (GHG) methane is even more harmful than carbon dioxide

Question

Consider the following statements I. As a greenhouse gas (GHG) methane is even more harmful than carbon dioxide

Consider the following statements

I. As a greenhouse gas (GHG) methane is even more harmful than carbon dioxide

II. Methane has been included in the list of six GHGs in Kyoto Protocol.

Which of the statements given above is/are correct?

(a) Only I (b) Only II (c) Both I & II

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

(c) The six main greenhouse gases are –

• Carbon dioxide (CO₂);

• Methane (CH₄);

• Nitrous oxide (N₂O);

• Hydrofluorocarbons (HFCs);

• Perfluorocarbons (PFCs); and

• Sulphur hexafluoride (SF₆).

Methane (CH₄) is the second most important greenhouse gas. CH₄is more potent than CO₂ because the radiative forcing produced per molecule is greater. In addition, the infrared window is less saturated in the range of wavelengths of radiation absorbed by CH₄, so more molecules may fill in the region.