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This paper reflects critically on issues of North-South collaboration and participatory research arising from a project on participatory and sustainable local-level environmental management in the peri-urban area surrounding Kumasi, Ghana. Rapid immigration, uncoordinated conversion of farmland to housing, intensified resource exploitation, and declining water quality and availability are particularly pressing problems there. Collaborative research arrangements with local partners as well as sustained participatory relations with selected village communities were central to this project. More generally, the paper reflects on institutional issues relating to the dichotomy between research and development assistance projects, and their implications for project evaluations.  相似文献   
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This paper proposes a scheme of large-scale migration from poor countries to rich ones to speed up economic development and raise the world's economic level. The key behavioral mechanism is non-school learning; as the migrants and their children take on the culture of the rich country, they acquire the skills and attitudes necessary for modern industrial production. Rich nations will not voluntarily open their borders to such immigration. A change in the international system is therefore suggested, giving power of taxation to an international body. This body would then hold an auction among the rich countries for immigration contracts. Though the present international system makes no provision for such policies, it makes sense to discuss and analyse the policies now, to be ready for possible future changes and perhaps to help stimulate changes in the international level.  相似文献   
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Insuring freedom     
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The possibility of terrorists employing chemical, biological, or nuclear/ radiological (CBN) materials has been a concern since 1995 when sarin gas was dispersed in a Tokyo subway. Contingency planning almost exclusively involved detection. containment, and emergency health care for mass casualties. However, it is clear that even small-scale CBN incidents--like the recent spread of anthrax spores through the mail--can cause widespread confusion, fear, and psychological stress that have lasting effects on the health of affected communities and on a nation's sense of well-being. More emphasis therefore needs to be placed on indirect effects and on the medical, social, economic, and legal consequences that follow months to years afterward. To respond effectively to CBN attacks, a comprehensive strategy needs to be developed that includes not only emergency response, but also long-term health care, risk communication, research, and economic assistance. Organizing an effective response challenges government institutions because the issues involved--eligibility for health care, the effects of low-level exposure to toxic agents. stress-related illnesses, unlicensed therapeutics. financial compensation--are complex and controversial.  相似文献   
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