how greenhouse gases contribute to global warming

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  • What gases are in the atmosphere that act as a greenhouse?

  • Certain gases in the atmosphere resemble glass in a greenhouse, allowing sunlight to pass into the ‘greenhouse,’ but blocking Earth’s heat from escaping into space. The gases that contribute to the greenhouse effect include water vapor, carbon dioxide (CO2), methane, nitrous oxides, and chlorofluorocarbons (CFCs).

  • What is greenhouse warming potential?

  • For different greenhouse gases, the greenhouse warming potential is calculated depending on their concentration in the atmosphere and the time for which they are likely to stay there. The gases that have a higher greenhouse warming potential will have more heat-trapping ability and vice versa.

  • What are GHGs and how do they affect the climate?

  • While most GHGs are naturally occurring, human activities have also been leading to a problematic increase in the amount of GHG emitted and their concentration in the atmosphere. This increased concentration, in turn, can lead to adverse effects on climate.

  • What are the consequences of changing the natural atmospheric greenhouse?

  • The consequences of changing the natural atmospheric greenhouse are difficult to predict, but certain effects seem likely: – On average, Earth will become warmer. Some regions may welcome warmer temperatures, but others may not.

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