Intensive monitoring for CryptosporidiulIl in source waters has been ongoing in Sydney since the Sydney Water Crisis in August 1998. Three separate C,yptosporidhllll contamination 'events' have been detected in the water supply catchments since the Crisis. Duplicate water samples from these events were analysed for Cryptosporiditllll by immuno-fluorescence assay (IFA), polymerase chain reaction...

China is a country with significant but unevenly distributed water resources. The water stressed North stays in contrast to the water abundant and polluted South defining China's current water environment. In this paper we use the latest available data sets and adopt structural decomposition analysis for the years 1992 to 2007 to investigate the driving forces behind the emerging water crisis i...

Water crisis is one of the greatest environmental challenges that China is currently facing. Since the 1970s lakes and rivers in China have been undergoing increasing water deterioration. By the 1990s some main water basins have been seriously polluted causing China’s central government to initiate the so-called “three rivers and three lakes” (Liaohe, Huaihe and Haihe rivers, and Taihu, Chaohu ...

Our country, Iran, is in the category of waterless and survived countries because of lack of climate downfalls to its unsuitable local to temporal transmittance. Environmental concerns mainly after 1960s that have boon seriously proposed in universal politics, created a variety of assessments. In the late decades, environmental change such as: climate change, has caused chief challenges for the...

In recent years, farming section of South Khorasan Province faces different limitations such as increasing shortage of water resources and continuous reduction of weather showers.Considering consecutive droughts and water crisis in agricultural plain of the province, it is necessary to use water resources optimally and increase productivity of water shortage input. Comparison of water productiv...

the issue of water resources and their effect on human life doesn't need any analysis and reasoning. however, such factors as population growth, improved quality of life and development of urbanization along with improved industrial and technological dimensions of human life have necessitated logical and reasonable planning for optimal use of water and water basins of the world. these fact...

Background of the Arsenic Crisis The groundwater pollution caused by arsenic (please see Box 1) in a number of Asian countries has led to a major environmental crisis. Some recent estimates indicate that more than 35 million people in West Bengal (India), Nepal and Bangladesh are potentially at risk from drinking arsenic-contaminated water (Smith et al., 2000). The crisis has its roots in anoth...

Recently, the Australasian Faculty of Public Health Medicine (AFPHM) was asked: “How do we know we’ve made a difference?” Most responses would include the 10 great public health achievements of the 20th century identified by the US Centers for Disease Control — vaccination, safer and healthier foods, healthier mothers and babies, family planning, fluoridation of drinking water, control of infec...