1 Following statistics are provided in the United States Census Bureau. See Hindustan Times (New Delhi), 11 July 1980. Population growth in Africa increased from 2.5 per cent during 1965–70 to 2.9 per cent during 1975–79. The overall global rate dropped from 2.1 per cent in 1965–70 to 1.7 per cent over 1975–79. Growth rates in Europe were the lowest—0.6 per cent during 1975–79 compared to 0.8 per cent in 1965–70. Similarly in North America the rate had dropped during 1975–79 to 0.8 per cent compared to 1.1 per cent, in South America 2.4 per cent compared to 2.7 per cent, and in Asia it was 1.9 per cent compared to 2.5 per cent in the earlier period of1965–70.
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2 According to the 1981 Census, the population of India doubled to 68 crores in 34 years since Independence. The figure on 1 March 1981 was 68 crores compared to 54 crores in 1971. The addition of 12 crores during this period represents a 24.75 per cent growth in the last decade compared to 24.80 per cent in 1961–71 period. By 2001 A.D. the estimated population is 950 millions. Birth rates have dropped from 46 per 1000 in 1971 to 36 in 1981, and death rates have fallen from 15.7 per thousand 10 years ago to 14.8 in 1981. Life expectancy has also increased from 46 years in 1971 to 54 years in 1981. These figures were given by the Registrar General of India, See Time of India (New Delhi), 19 March 1981.
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3 For an interesting study of depletion of ozone due to man's activities in aerospace region, see Report of Carl Q. Christol prepared for the United States Senate entitled—“The International Legal and Institutional Aspects of the Stratosphere's Ozone Problem,” 1975, pp. 132.