the scientific community agrees that climate change is one of the greatest challenges that oursociety will have to face this century. indeed, the fourth report from the intergovernmental panel on climatechange (ippc) confirms the certitude of this phenomenon and its impacts, which can range from droughts tofloods, health problems and food shortages. the principal objective of this paper is to a...

The present article provides a synthesis of the conceptual and statistical issues involved in using multisite randomized trials to learn about and from a distribution of heterogeneous program impacts across individuals and/or program sites. Learning about such a distribution involves estimating its mean value, detecting and quantifying its variation, and estimating site-specific impacts. Learni...

background: urmia lake, the second largest hyper-saline lake of the world, has experienced lack of water and other environmental issues in recent years. now, there is a danger of the lake drying out, which will affect the region and its inhabitants. this study aimed to present a model which can relate the water level of the lake to effective factors. methods: parameters that influence water lev...

the carrying capacity is well identified tool to manage problems due to uncontrolled tourism for any destination. this report highlights the carrying capacity estimation of kerwa tourism area, bhopal, india. the methodology used in this report is a new two-tier mechanism of impact analysis using index numbers derived from a survey of 123 stakeholders. from this the individual component impact a...

this study determined the situation of rural tourism and agro-tourism in tehran province as well as the expected economic impacts of agro-tourism development on it. in this research, we used documental research method and field research based on questionnaires and face-to-face interview. it was found out that despite different tourist attractions in rural areas of tehran province, tourist arriv...

lithium-ion batteries due to their higher energy density and lower associated environmental impacts comparing to the other batteries, recently have been highly considered. the materials used in anode, are one of the most important parts affecting batteries’ energy density and environmental impacts. the aim of this study is to investigate how environmental emissions of different materials as ano...

This paper investigates the impacts of interactivity and vividness on objective claims and subjective claims of product presentations, which in turn impact online consumer’s behavior. Employing an empirical study, we found that interactivity impacts objective claims and vividness impacts subjective claims. Going forward, we have found support for the impacts of objective claims and subjective c...

Following the principles and priorities outlined by the World Commission on Dams, managers are increasingly considering a greater variety of impacts in their decision making regarding dams. However, many challenges remain in evaluating the biophysical, socioeconomic and geopolitical impacts of dams, including the potential diversity of stakeholder perspectives on dam impacts. In this analysis, ...