Labels:text | screenshot | diagram | line | font | plot | parallel | number OCR: 5.0- Carbon, x10' metric tons/yr 12.5- 0.04 1890 1910 1930 1950 1970 1990 MAN'S PRODUCTION OF CARBON DIOXIDE Year 5.0- World Population, billions 2.5- 0.04 1890 1910 1930 1950 1970 1990 POPULATION IN THE LAST CENTURY Year