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131.
Quantifying urban forest structure,function, and value: the Chicago Urban Forest Climate Project 总被引:22,自引:4,他引:18
McPherson E. Gregory Nowak David Heisler Gordon Grimmond Sue Souch Catherine Grant Rich Rowntree Rowan 《Urban Ecosystems》1997,1(1):49-61
This paper is a review of research in Chicago that linked analyses of vegetation structure with forest functions and values. During 1991, the regions trees removed an estimated 5575 metric tons of air pollutants, providing air cleansing worth 9.2 million. Each year they sequester an estimated 315 800 metric tons of carbon. Increasing tree cover 10% or planting about three trees per building lot saves annual heating and cooling costs by an estimated 50 to 90 per dwelling unit because of increased shade, lower summertime air temperatures, and reduced neighborhood wind speeds once the trees mature. The net present value of the services trees provide is estimated as 402 per planted tree. The present value of long-term benefits is more than twice the present value of costs. 相似文献
132.
133.
Dans cette étude, nous examinons les hypothèses des partisans de la «mondialisation>> et proposons des solutions totalement opposées. Dans la première partie, nous réfutons les arguments suivants au sujet de la «mondialisation>>: la souveraineté nationale s'érode dans tous les pays; la part de propriété transnationale est plus importante que par le passé; la «mondialisation>> constitue la conséquence inévitable du changement technologique; et la libéralisation de l'économie à l'échelle mondiale renforce la démocratic Dans la deuxième partie, nous examinons les solutions de rechange démocratiques que peuvent offrir les anciens et les nouveaux mouvements sociaux. L'utilisation de fonds d'investissement gérés par le public et engagés selon les besoins des collectivités est considérée comme une solution de rechange à l'orientation axée sur le marché mondial des entreprises transnationales.
This paper critically examines the assumptions of the advocates of "globalization" and develops an alternative that is the polar opposite. The first half of the paper challenges the following assumptions about "globalization": that national sovereignty is eroding for all countries; that the level of transnational ownership is higher now than in the past; that "globalization" has been the inevitable result of technological change; that democracy is strengthened by global economic liberalization. The second half of the paper examines the prospects for the creation of democratic alternatives to globalization in old and new social movements. Socially controlled investment funds that have "location commitment" to communities are seen as an alternative to the globalization vision of transnational corporations. 相似文献
This paper critically examines the assumptions of the advocates of "globalization" and develops an alternative that is the polar opposite. The first half of the paper challenges the following assumptions about "globalization": that national sovereignty is eroding for all countries; that the level of transnational ownership is higher now than in the past; that "globalization" has been the inevitable result of technological change; that democracy is strengthened by global economic liberalization. The second half of the paper examines the prospects for the creation of democratic alternatives to globalization in old and new social movements. Socially controlled investment funds that have "location commitment" to communities are seen as an alternative to the globalization vision of transnational corporations. 相似文献
134.
William J. Moore Denise R. Chachere Thomas D. Curtis David Gordon 《Journal of Labor Research》1995,16(2):203-221
The political influence of unions and corporations is examined by analyzing Senate roll-call votes on COPE-identified legislation
for the period 1979–1988. Union PAC contributions and union membership both have significant positive effects on three different
types of COPE legislation: Narrow Union, General Labor, and Non-Labor. In addition, corporate PAC contributions to senators’
opponents reduce their pro-union voting behavior on Narrow Union and General Labor bills. There is no evidence that the political
influence of unions in the U.S. is declining. 相似文献
135.
Gordon Moody M.B.E. M.A. 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》1989,5(4):313-320
A study of gambling among juveniles in the United Kingdom reveals that their favorite form of gambling, both in terms of percent participating and amounts spent, is playing Amusement with Prizes (i.e., slot) machines. These machines are widely, freely, and legally available to persons of all ages at amusement arcades, youth clubs, cafes, sports centers, bus and railroad stations, and other public settings. Before 1980, machine gamblers were rare at Gamblers Anonymous meetings. However, since that time, their numbers have increased rapidly, currently representing about half of all new members. Of these, 50% are described as children with the remainder in their late teens or early 20s.The balance of the paper describes the difficulties faced by the parents of these youth and the recent development and objectives of a unique self-help group called Parents of Young Gamblers.Editor's Note: Since this writing, P.O.Y.G. has channeled their energies into lobbying the Home Office to take action that would recognize slot machines as gambling devices, remove them from their present easy access to children, and restrict their availability to licensed Game Clubs where only registered adult members may play. The Home Office recently has agreed to place this matter under consideration.The Reverend Gordon E. Moody, M.B.E., was Secretary of the late (British) Churches' Council on Gambling. In the United Kingdom he is Honorary Founder-Patron of Gamblers Anonymous and Chairman of the Gamblers Anonymous General Services Board. He is Founder of Gordon House (a hostel for single, homeless compulsive gamblers) and Honorary Life Member of the Society for the Study of Gambling. 相似文献
136.
The validity and use of the family-of-origin scale 总被引:1,自引:0,他引:1
This study explores the Family-of-Origin Scale (FOS) with regard to its validity and potential use. Subjects included 100 adults currently in psychotherapy, 100 who were not, 32 who previously had sought treatment, and 41 college students. Between-group comparisons, correlations with both the 16PF and a scale of authoritarianism, factor analyses of both the patient and nonpatient FOS responses, and a review of patient feedback revealed several significant results. The FOS differentiates between patients and nonpatients, but it measures only one general factor and delivers little information. Therefore, it has little value as a research instrument, but it may be a useful adjunct to psychotherapy in individual cases. 相似文献
137.
Gordon C. Murray 《Long Range Planning》1992,25(6):79-86
This article looks at the contemporary situation facing the U.K. venture capital industry as it enters its second decade of activity. After 10 years of substantial growth, the industry is starting to mature. Accordingly, in an increasingly competitive marketplace, U.K. venture capital firms are having to address seriously strategic issues of product and market choice in order to meet the high investment expectations placed on them by their funders. There is evidence that the industry is already concentrating its finances into a small number of larger firms. It is likely that these better resourceed firms will have material advantages in initiating both product and market innovations. However, this concentration is unlikely to improve the supply of venture capital funds to start-up and other early stage, high risk ventures. 相似文献
138.
David Gordon Wilson 《Long Range Planning》1975,8(2):81-88
In this article the author argues that the bicycle will undoubtedly be improved upon, but it is not likely to be supplanted. It will continue to provide the most energy-efficient short-distance form of individual ground transportation.Whether or not its share of the number of person-trips made in urban areas will increase dramatically depends partly on the improvements which are made to the vehicle, partly on the increasing costs and restraints on motor-vehicle use, but to a greater extent on the success with which planners solve the highway-intersection problem. 相似文献
139.
The article identifies some of the ways in which the ‘Victorian Gypsy’ was constructed by a group of authors known as Gypsy lorists, and develops reading strategies that highlight the politics of their writing, in particular using Jacques Derrida's theorisation of the archive. For the Victorians, it seemed that the Gypsy way of life would soon die out. The Gypsies' apparently imminent disappearance marks their world as delicate, natural and formerly pure. However, the structure of the archive means that the lorists' attempts to preserve their version of Gypsy culture are threatened from within: they hasten the forgetting of that which they would conserve and archivally silence Gypsy voices with their own. Claims of extinction have evidently been disproved, however, and new archives successfully augment what the lorists considered to be the last word on Gypsies in Britain. 相似文献
140.