Labels:text | font | screenshot | line | diagram | white | plot | number OCR: 5.0- Carbon, x109 metric tons/yr 2.5- 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 Year THE LAST CENTURY