TABLE 4b.
Anthropogenic (
man-made
) Contribution to the "Greenhouse
Effect," expressed as % of Total (
water vapor IGNORED
)
% of All Greenhouse Gases
% Natural
% Man-made
Water vapor
------
------
------
CO2
72.369%
70.035%
2.334%
Methane
7.199%
5.879%
1.320%
N2O
19.000%
18.063%
0.937%
Misc. gases
1.432%
0.491%
0.941%
Total
100.00%
94.47
5.53%