Document titled "Anthropogenic (man-made) Contribution to the "G…

Anthropogenic (man-made) Contribution to the "Greenhouse Effect," ex ressed as % of Total (water m )or INCLIDED) Based on concentrations (ppb) 96 0f adjusted for heat retention Greenhouse characteiistics Effect Ono Natural % Man-made Water vapor || 95.00090 94.99990 0.001% Carbon Dioxide (C02)_" 3.6180 0 3.5022 0.117%_| Methane (CH4) |L_0.360% Nitrous Oxide (N20) "0.950o 0.294% 0.066% 0.90394 0.047% Misc. gases ( CFC's. el 0.072% 0.02592 0.0470 Total 100.00% 99.72 0.28%