Consider the following statements:

  1. Chlorofluorocarbons (CFCs) are anthropogenic green house gases
  2. Carbon dioxide is several times more potent than methane

Which of the above statements is/are correct?

Answer: [A] 1 Only

Both are correct statements
The main sources of greenhouse gases due to human activity are like burning of fossil fuels leading to higher carbon dioxide concentrations; farming and forestry; including land use change via agriculture and livestock; cement manufacture & use of aerosols and chlorofluorocarbons. Second statementis incorrect because methane is 84 times more potent than carbon dioxide.

This question is a part of GKToday's Integrated IAS General Studies Module