An evaluation of analyses sponsored by the predecessor to the U.K. Department for Environment, Food and Rural Affairs (DEFRA) of the global impacts of climate change under various mitigation scenarios (including CO2 stabilization at 550 and 750 ppm) coupled with an examination of the relative costs associated with different schemes to either mitigate climate change or reduce vulnerability to va...

OBJECTIVE To estimate the shortage of mental health professionals in low- and middle-income countries (LMICs). METHODS We used data from the World Health Organization's Assessment Instrument for Mental Health Systems (WHO-AIMS) from 58 LMICs, country-specific information on the burden of various mental disorders and a hypothetical core service delivery package to estimate how many psychiatris...

Today, at least one-fifth of all people worldwide lack access to safe drinking water, a problem that will almost certainly worsen as the earth's population grows. Although the vast majority of industrial discharges into waterways are regulated and treated, and most cities and towns effectively monitor and treat their sewage for chemical contaminants, problems such as arsenic contamination and d...

At the beginning of 20th century, industry and urbanization were booming mainly in developed countries. As a result, state environment has deteriorated various environmental problems have begun to arise. This process, which took place past centuries, i.e., development urbanization, today is equally intensive all countries world. Many cities industrial zones built, urban ecosystems (urboecosyste...

Water is the key of national development. Wherever a spring has been dried out or a river has changed its course, the area’s people have migrated and have been scattered and the area’s civilization has lost its brilliance. Today, air pollution, global warming and ozone layer damage are as the problems of countries, but certainly in the next decade the shortage and pollution of waters will be im...

Increasing population leads to intensification of water shortage problems in arid regions. Agriculture sector is the main user of water in Iran. Bushehr province with an arid and semiarid climate is located in the south of Iran. Improvement of water productivity (WP), the value or benefit derived from the use of water, is essential in the agriculture sector for achieving food security and susta...

myths are reflective of human concerns and needs during ancient times. by reviewing them, it turns out that many human problems today, have a historical background. among the main themes of ancient mythologies, fertility and reproduction have various representations in ancient civilizations. the purpose of this paper was to review myths and common symbols of fertility and reproduction in ancien...