This paper considers the role of earth science and earth scientists in the planning and management of responses to natural hazards. It begins by examining the problems of communicating between the various constituencies, or groups of stakeholders, in hazard reduction: scientists, administrators and end-users (i.e. the general public). Next, the process of transferring scientific knowledge along the chain of users is considered. Particular attention is paid to the scientific, administrative and social linkages in the warning process. Examples of mass movements and hurricane-induced flooding are cited to illustrate varying degrees of inadequacy in the warning process as utilised in recent emergency situations. Examples of earthquake predictions are discussed in terms of the imprecise nature of much scientific information on natural hazards, and what that means for the practicalities of warning the general public. A further section compares the general public's perception of risks with the attitude of earth scientists involved in studying natural hazards. In both cases, there are continua in the degrees of engagement and understanding. The article concludes with an analysis of the role and potential of earth science in the general processes of hazard mitigation. Sustainable disaster preparedness requires sustained input from the earth science community, but of a kind that is sensitive to the needs, objectives and cultures of the other participants in the process.
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