Human population and environmental stresses in the twenty-first century.

مبانی فلسفی مخاطرات محیطی

Environmental hazards include all kinds of hazards in the environment such as natural and technological or natural and man-made. The natural phenomena such as rains or floods are the normal behaviors of the nature which only when they cause damage to the human life, are considered as hazard. The technological events such as road accidents, air pollution and chemical pesticides are always danger...

Investigation and zoning of thermal physiological stresses in Iran

Analysis and zoning of thermal physiological stresses in Iran   Abstract Human health is influenced by weather variables in all circumstances, including atmospheric pressure, humidity and temperature around them. Based on climate hazard and climate changes, different parts of human life and economic and social strategies such as health, hydrological pollutants And agriculture had a profound ...

The Eight Managerial Competencies: Essential Competencies for Twenty First Century Managers

The objective of the present study was to identify managerial competencies. This study reviewed existing managerial competencies in a cultural context resulting in the development of a broad based psychometrically sound leadership questionnaire. The unit of analysis of the research was a theoretical and experimental research related to managerial competencies, provided from seventeen Iranian an...

On the Increasing Vulnerability of the World Ocean to Multiple Stresses

This review focuses on the increasing vulnerability of the world ocean to multiple anthropogenic stresses in the latter half of the twentieth century and the first decade of the twenty-first century. The multiple stresses, which affected the world ocean in the latter half of the twentieth century, could have been controlled on a timescale of decades, had governments and their subjects chosen to...

The Chronicle of Arsenic Poisoning in the 19th Century