twenty-first century. The analysis reveals vividly the risks of conventional development approaches and the real danger of … value changes for getting there. A fundamental shift in the development paradigm is found to be an urgent necessity for …

of potable water, sanitation, energy, water and ambient air. It showed the conflict between the need to exploit … environmental capital in order to keep up with the pace of human development activities and the need to utilize resources … sustainably. Hitherto, the cost of this development has been at the expense of public health and cleaner environment. The outcome …

in particular can be considered a complex system of development, which in some ways can be studied by statistical and … reached significant levels. Based on this consideration, this paper aims to identify the development regions and counties of … Romania where the trends of development of rural tourism are significantly above the average recorded at country level, as a …

Energy Return on Investment (EROI) refers to how much energy is returned from one unit of energy invested in an energy …

) energy quality corrections, (3) energy-economic conversions, and (4) alternative EROI statistics. Lastly, we present step …

Declining energy return on investment (EROI) of a society’s available energy sources can lead to both crisis and … interpretation. There are many reasons why frugal living and an energy diet could be beneficial. A measure of wellbeing or welfare … gained per unit of energy expended (WROEI) is proposed. A threshold is hypothesized for the relation between energy …

This paper is a synthesis of a series of twenty papers on the topic of EROI, or energy return on investment. EROI is … simply the energy gained from an energy-obtaining effort divided by the energy used to get that energy. For example, one … and often highly technical papers. About half of the papers are reports on empirical analyses of various energy sources …

continued availability of cheap, high energy return on investment (EROI) oil, however, is increasingly in doubt. If cheap oil is … biophysical constraints if they are to adapt to the coming energy crisis. …

, atmospheric environmental capacity and energy supply. The model is subsequently employed in a realistic case for industrial … development in the Tongzhou district, Beijing, China. The results demonstrate that the model can help to analyze whether the … the resources, energy and environmental constraints to meet the maximum social economic efficiency. …

Design improvement is critical for achieving a low-cost and high energy-efficient building with low carbon emissions …. Thus, designers need to consider many factors (such as energy, economic and environmental performance) in the early design … improvements (introduced by the author in a previous work, EDH means energy difference between households) with seven potential …