77- 



FIGURE 6-4 



GLOBAL C0 2 EMISSIONS, 1975-2100 

 (Billions of Tons of Carbon) 



z 

 o 



00 



cc 

 < 

 o 



CO 



z 

 o 



o 



CO 



QQ 



90 - 



1975 



2000 



2025 



2050 



2075 



2100 



YEAR 



