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Published online by Cambridge University Press: 04 July 2016
Aeroplanes are often noisy, and sometimes smelly. Some of them also produce smoke. The purpose of this paper is to attempt an assessment of these and other forms of environmental pollution, also to consider the engineering and administrative measures which are being taken to control them. But before embarking on the subject one must try to put the matter in perspective. As I see it, the threat to the environment does not just come from aeroplanes, transport systems, factories or advancing technology. It comes from man.