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For more than half a century the theory of continental drift was widely derided. Innovators developing the radical theory were labelled as unscientific by well-known science authorities. But then, in the space of a few years, virtually all opposition dramatically collapsed. Continental drift transformed into plate tectonics and became widely acknowledged as one of the most profound scientific revolutions of the twentieth century. Yet a number of science innovators who had been closely involved with creating this new theory of the Earth continued to research an even more radical theory. They saw evidence that the new geological theory was incomplete, arguing that continental drift was caused ...
Literature survey providing a guide to selected aspects of the environment - covers environmental protection, ecology, quality of life, urban development, environmental modifications relating to water quality, nature conservation, transport, etc., and includes a chronology of relevant laws, a directory of organizations and bibliographys.
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
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