introduction there is a wide transformation achieving to sustainable development terms. sustainable development is not a new concept but it shows the process of transformation of social, economic and natural systems. at the end of 1987s a new paradigm, called sustainability, concluded that scientific evidence demonstrated rapid destruction of air, water, species of flora and fauna, deserts, for...

In the current century, agriculture sustainability and the reduction of environmental pressure are two main objectives of the management of agro-ecosystems that is challenged by energy inefficiency. In this respect, the present study assessed one of the most important planting systems in Sistan region by emergy analysis approach. It analyzed all inputs of greenhouse cucumber production system i...

in recent years, degradation of environment (water and soil resources) by farmers has increase concerns about sustainability of agriculture. farmers’ behaviors affect conservation of these resources and play important role in sustainability of agriculture as well. shiraz county, like other parts of the country, suffers for degradation of soil and water resources. the aim of this study was to pr...

The article explores on the basis of several definitions of environmental impact assessment, strategic environmental assessment and sustainability impact assessment the needs to develop a new sustainability impact assessment of policies as a framework to focus on the economic, social and environmental dimensions of sustainability. By using the example of rural development, indicator lists are d...

Received 7 February 2000; received in revised form 13 November 2000; accepted 15 November 2000 This paper sets out and applies a new methodology for determining whether or not economic activity is environmentally sustainable. By comparing current environmental impacts with standards of environmental sustainability, it calculates the ‘sustainability gaps’ (SGAPs) with respect to different enviro...