IPCC has published in 2013 the graphical plot of AGWP of CH4, in its Scientific Basis Report. But I would like also the same plot for N2O and CO (and Black Carbon, as it is possible to associate an equivalent to GHG, even though one can argue it is not a gas, it has at least some Climate Impact that can be modelled to a GHG).
Good question.
Especially interesting the fact that N2O, black carbon are powerful climate radiative forcer and the tracking of those is not taken with seriousness as for CO2 and CH4. Actually, N2O and black carbon have no real restrictions and are increasing quite significantly. All the efforts seems to be put in CO2 reductions (phasing out coal and reducing transportation emissions of CO2, and CO) but if N2O, CH4 and black carbon do not have the same restriction, what is the purpose of the exercise ? For example, new vehicles equipped with GDI (gasoline direct injection) emits less CO2 and but more black carbon. Intensive use of fertilizers to produce biofuels to reduce CO2 emissions will actually be offset by N2O productions , a gas hundreds of time more powerful GHG than CO2. New hybrid diesels buses will reduce CO2 and NOx emissions but apparently increase N2O production. See more details in my paper
Article An overview of selected emerging outdoor airborne pollutants...
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