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Géologie --- Geology

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Géologie --- Sites naturels

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Since the 1980s, there has been a global trend to give more power to local governments. Even in Korea and the United Kingdom, the most centralised countries in the OECD, local government powers have increased, with substantial economic benefits. Within the European Union, the principle of subsidiarity has enshrined the idea of devolution. New member states, particularly in central and eastern Europe, have significantly created new and self-sufficient local and regional governments. However, this process has been complicated. Devolution is not a panacea in its own right, and need not lead to economic growth. While it can encourage savings through collaboration, it can also lead to confused lines of authority and can complicate policy formation and implantation. Devolution can strain local budgets, forcing local governments to rely on their own sources of finance, rather than central government transfers. Suburbanisation, rural depopulation, the growth of some regions, and the decline of others have raised new problems, particularly related to inter-governmental cooperation among local governments and different levels of government. In many cases, an increased number of governments has increased administrative costs. This book looks at experience in government restructuring and devolution from a variety of national and international perspectives, both within the European Union and elsewhere, focusing on lessons learned and ways forward.

Rocks. Minerals --- economie --- geologie

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This comprehensive textbook presents an overview of petroleum geoscience for geologists active in the petroleum industry, while also offering a useful guide for students interested in environmental geology, engineering geology and other aspects of sedimentary geology. In this second edition, new chapters have been added and others expanded, covering geophysical methods in general and electromagnetic exploration methods in particular, as well as reservoir modeling and production, unconventional resources and practical petroleum exploration.

Geology. Earth sciences --- geologie

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Le sable évoque le bord de la mer ou les grandes étendues désertiques. Dans un cas comme dans l'autre surgissent des représentations de vacances, de voyage. C'est une histoire que nous avons voulu conter : le sable de sa formation, son transport à son dépôt. Pourtant, le sable ne fait pas que se déplacer, il est utilisé par l'Homme comme matériau pour ses diverses propriétés. Il est aussi très prisé par d'autres organismes vivants. Savoir si l'abondance du sable suffira à l'avenir est donc une question, entre autres, qui mérite d'être posée. Dans ce petit livre, les auteurs présentent les diverses facettes de cet élément si particulier, à la fois mystérieux et omniprésent dans notre quotidien.

Sand --- Sediments (Geology) --- Sable --- Sédiments (géologie)