Just wondering what has the greatest greenhouse effect

  1. Which of the following has the greatest greenhouse effect, on a per-pound basis?

    CFC-11

    Carbon Dioxide

    HFC-23

    Methane

    Nitrous Oxide
     
  2. jcsd
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  3. Defining the effect of CO2 as 1 GWP (Green House Potential) (On a 100 years base), we have

    Effect of CO2 is 1 GWP
    Effect of CH4 is about 20 GWP
    Effect of N2O is about 300 GWP.

    I don't know about the Chlorinated compounds, but it is high
     
  4. I found some more numbers on wikipedia https://en.wikipedia.org/wiki/Global-warming_potential

    Again, on a 100 years base

    Effect of CO2 is 1 GWP
    Effect of CH4 is about 25 GWP
    Effect of N2O is about 300 GWP
    Effect of CFC-11 is about 5300
    Effect of HFC-23 is about 15000
     
    Last edited: Nov 13, 2013
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