Word: sunlight
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Dates: during 1960-1969
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...Sunlight & Sea Water. Today, as in Malthus' time, the world has vast amounts of empty space left-particularly in Australia, Africa and Latin America (where the rate of population growth is even higher than in Asia). Brazil's vast Amazon basin, amounting to nearly one-twentieth of the land surface of the earth, is still virgin soil. In Ethiopia alone, more than 180 million of the world's most fertile acres lie fallow. Even in crowded Asia, great tracts of potentially arable land, such as the Philippine island of Mindanao and the central highlands of South Viet...