This volume presents an analysis of the ways in which hydraulic developments have both generated major environmental disturbances and contributed to the development of risk prevention policies from the late nineteenth century to the present day. While centered on the concepts and methods of environmental history, the collection includes a contribution from the science of hydrology. Both the availability and the quality of water are at the heart of the questions raised in different environmental, political and social contexts. Examples from the United States are presented in the foreword by Marie Bolton focusing on California and in two articles, one on California (Glen Gendzel) and the other on New York State (Roy Carpenter). The role of...