The unfavoured Portuguese regions have a level of life and economic growth rates lower than favoured regions, and the mean of European Union and hence have less entrepreneurial activities. The adoption of strategies of sustainable development driven by entrepreneurship phenomena could be a...

Experts estimate that physical deterioration of the planet and environment, they stress more serious. The destruction of forests is accelerating and the deserts are extending. Soil erosion undermines not only agricultural production but also winning means needed of existence for millions of...

Development of tourism as an economic branch meets all requirements of sustainable development considering that can be touched all three pillars of this type of development: economic development, social development, environmental protection. To achieve sustainable development is necessary to...

The beginning of the new millenium has been marked by the travel and tourism industry, which represents the most dynamic activity sector. Taking into consideration the ascending trend of the tourism evolution in the last years, we may ascertain that this sector is a main source for the revival...

In this paper we have approached aspects related to an issue of present interest referring to the necessity of promoting a management of sustainable tourism so that we can have a development of this sector with respect for the environment, while bringing prosperity to the different local...

In the work the problem of sustainable development of production, i.e., an optimum choice of parameter values of technological process with the purpose of minimization of risk of obtaining production of not planed quality also incorrect making decision about quality of production and...

On its way of multi millennial evolution agriculture has undergone several stages all off them being organically implied in the natural ecosystem. Following the impressive development of the pesticide and fertilizer industries and the excessive utilization of chemical substances in cattle...

After 20 years of neglect by international donors, agriculture is now again in the headlines because high food prices are increasing food insecurity and poverty. In the coming years, it will be essential to increase food productivity and production in developing countries, especially in...

It is argued that there is neither regular relationship between changes in the level of the market rate of interest and variations in the rate of biodiversity loss nor does such a regular relationship occur between alterations in the market rate of interest and changes in the rate of natural...

The present research study used the quantitative approach to analyze the present and future situation of the Venezuelan power generation sector; to achieve that, the total energy generation costs and GHG emissions of four scenarios in 2050 were estimated and compared, considering two demand...