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This paper seeks to review the geophysical threats generated by volcanic activity and reports on the technological and social management techniques available to counter those threats.

The information presented was derived from a review of case studies of response to volcanic eruptions in the USA, Europe and Japan. The studies reviewed included both technical papers from geologists and volcanologists and research by social scientists.

The unique relationship between human settlements and volcanoes was described. This was done in the context of special features of volcanic hazards that set them apart from other natural hazards: time frame, multiple impacts, magnitude of destructive potential and predictability. Based on pairing geophysical threats with human safety concerns, three critical social management techniques were described: public education, access controls and evacuation systems. The social science and geophysical principles that underlie the effectiveness of these techniques are described.

The review brings together the results of numerous case studies over the years and highlights the hazard management issues that were common across them. Then, with respect to each of the techniques identified, a critique of issues associated with implementation was conducted that draws upon both the geophysical literature and social science literature. In particular, patterns of citizen resistance to public education, access controls and evacuation are described and approaches to implementation that minimize such resistance are suggested.

There are many discussions in the geophysics literature of the types and nature of volcanic eruptive behavior. In the social science literature there are discussions of public education strategies for hazards, controlling access to dangerous locations and evacuation systems. This paper pairs geophysical threats with appropriate techniques for protecting populations, specifically within the unique context of volcanic eruptions. There is also discussion of common problems that have arisen when the different techniques have been used in the past and suggestions for ways to avoid those problems. The paper is aimed at professional emergency managers and planners who are faced with managing dangers to populations from volcanicity.

Dealing with the subject of the artificial bleaching of flour, The Lancet observes that the public criterion of quality in respect of foods and beverages shows some interesting anomalies. Appreciation is often based, for example, on appearance, on how things look, and it is in this direction that conclusions often and obviously become illogical. In some instances the article demanded must be spotlessly white, while in others, if naturally white, it must be artificially coloured. The white loaf is a popular fancy, but white milk is suspected, and yet natural flour may be of a rich golden colour, while rich milk may have only a shade of brownish colour which is supposed to connote cream. The result is that in the one case flour is often deprived of its colour by a process of chemical bleaching, and that in the other an artificial colouring is added. Natural colour is objected to on the one hand, and on the other an artificial addition is demanded. It may be urged that both expedients are justifiable inasmuch as they meet a popular fancy, and that this counts in the enjoyment and even digestibility of the foods. If artificial means are employed to adjust the appearance of food to a popular standard, the proceeding can clearly only be allowed when it has been proved beyond all doubt that the products are not dietetically impaired or that they do not masquerade as something which they are not.

In the present European crisis every intelligent individual of British birth must feel that a tremendous debt of gratitude is due to the British Navy, which, by keeping open the lines of traffic across the seas, has ensured the supply of daily food to the country. Although this journal does not concern itself with political matters, it does concern itself with the question of the maintenance of an efficient food supply in this country at all times, and the one question is indissolubly bound up with the other. Few people probably have any idea of the enormous extent to which they are dependent for the very food which nourishes them upon the ships that enter London and other ports of the English coast. Every day in the year nearly three‐quarters of a million pounds' worth of provisions are imported into this country, in addition to what we actually produce ourselves, and last year no less than two and a quarter million tons of grain, 360,000 tons of chilled and frozen beef and mutton, 170,000 tons of tea, 250,000 tons of sugar, and many other foods in proportion, were landed in the port of London alone. These figures, in view of the present crisis, completely shatter the absurd position of the “Little Navy” nincompoops.

We are requested to publish the following Manifesto:—