The awareness of the scope of the environmental problems of the planet has gone global since the United Nations Conference on the Human Environment held in Stockholm in 1972. Furthermore, analyzes of economy and ecology were deeply renewed in recent years. They are likely to provide practical...

Input-output analysis was a particular way of state intervention. Its success was due to the connection of a theory to a model and to an instrument. It was a tool for science and for action. This articulation of an explanatory, a descriptive and a prescriptive dimension may be understood as an...

This article consists of three parts. The first response to the idea of ​​keeping TOCQUEVILLE own arguments in Old Regime and the Revolution, without reproducing copiously text line by line. This component is the main concerns and conflicting judgments about the revolution, the decisive role...

Climate describes the temperature, precipitation and other weather condition. Climate modification by the progressive warming of the atmosphere resulting from the concerted action of several factors, both natural and anthropic favours the diminution of precipitations at soil level, corroborated...

A central issue around which the recent growth literature has evolved is that of sustainable development. In this perspective, expansions of interest in the analyzing of water resources and the problems to which they are applied should be taken in account. As considered a limiting factor for...

A central issue around which the recent growth literature has evolved is that of sustainable development. In this perspective, expansions of interest in the analyzing of water resources and the problems to which they are applied should be taken in account. In order to reducing and rationalizing...

As considered a limiting factor for economic development, water management requires special attention. So, undertaking development of sustainable solutions to 21st century water resource problems becomes a strategic imperative. But, this is combined with some problems relating to the management...

In this paper we present a model designed to relate the detailed occupational and industrial demands imposed on the economy by several types of water resource investment. This detail provides the basis for adjusting the market cost of such public investments under the employment conditions...

Water pollution is a chronic crisis in Sudan that is rarely researched. However, it is combined with scarcity, disputes and uncertainty. In The current paper we introduce its concepts with emphasis on the growing problems of pollution combined with scarcity. A Case study of the growing problem...

Punjab model of irrigation is characterized by excess demand for water for irrigation, coupled with unconstrained mining of groundwater, for meeting the food bowl requirements of the country. It is a model guided by populist political decisions than a sound economics. In the process, the model...