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PubMed2006

Planning for integrated solid waste management at the industrial park level: a case of Tianjin, China.

Industrial parks play a significant role in the production and use of goods and services. The proper management of solid waste is a major challenge for industrial parks due to the large quantity of wastes and the variability of waste characteristics from these types of developments. Therefore, integrated solid waste management has become very crucial to the industrial park managers. Such an approach requires industrial park managers to assess the overall use of resources, and to seek waste reduction, reuse and recycling opportunities both at the individual company level and among different tenant companies. The adoption of this method can bring both economic and environmental benefits. This paper introduces the planning efforts of a real case in China. It first presents the basic information on Tianjin Economic Development Area (TEDA), and then introduces its current practices on solid waste management. The main focus of this paper is to describe how to plan an integrated solid waste management system at TEDA. Benefits and challenges are all identified and analyzed. The experiences and methods from this case study should be applied in other industrial parks so as to improve the overall eco-efficiency of the whole industrial park.

China↗
PubMed2005

Sedimentary record of polycyclic aromatic hydrocarbons in a sediment core from the Pearl River Estuary, South China.

Owing to the hydrodynamic and sedimentation conditions, the western shoal of the Pearl River Estuary (PRE) is known to be an important sink of terrestrial substances including particle-associated pollutants from the Pearl River Delta (PRD) region. In this study, we report the sedimentary record of polycyclic aromatic hydrocarbons (PAHs) during the 20(th) century in a sediment core from the western shoal of the PRE. The summation PAH concentration ranged from 59 ng g(-1) to 330 ng g(-1) in the core with two distinct peaks. An initial increase of summation PAH concentration was found around the 1860s. The amounts of PAHs remained relatively constant for roughly 100 years, followed by the first peak in the 1950s. Then, there was a decrease in PAH concentration and flux in the 1960s and 1970s. A sharp increase of PAH concentration was observed in the early 1980s with a maximum concentration in the 1990s. The PAH diagnostic ratios indicated that the PAHs in the sediment core were mainly of pyrolytic origin, and that atmospheric deposition and land runoff may serve as the important pathways for PAHs input to the sediment. The Gross Domestic Product (GDP) was used as an index of socioeconomic development in the PRD region, which was correlated positively with the changes of PAH concentration and flux in the sediment core. The rapid increase in vehicle numbers and energy consumption in the region in the last two decades may have contributed to the rapid PAH increase since the early 1980s. The results clearly elucidated the impact of regional economic development on the estuarine environment.

China↗
PubMed1996

Technology transfer at US universities: seeking public benefit from the results of basic research.

The development of technology transfer programs at universities throughout the US was catalyzed by the passage of the Bayh-Dole Act in 1980. This landmark legislation allowed universities to own and manage all inventions developed by their employees with federal funding. An effective technology transfer program requires: productive and innovative researchers; clear, supportive policies; knowledgeable professional staff; and adequate funding for operating expenses and for patenting inventions. When all four components are in place, technology transfer can enhance the university's ability to interact with industry and can make a significant contribution to economic development at the local, state and national level.

History, 20th Century↗
PubMed2006

Tourism's impacts on natural resources: A positive case from China.

Tourism development may result in negative impacts on natural resources owing to overuse and mismanagement. However, tourism may also play positive roles in natural resource conservation, which has rarely been verified in practice, although some researchers have demonstrated this in theory. In this article, taking the Jiuzhaigou Biosphere Reserve as a case study area, we conducted an analysis for the environmental impacts from tourism development based on social survey and interpretation of remote sensing images. The results show that the natural environment was not degraded and some indicators are even improving because all the residents have participated in tourism and given up farming and hunting. It is concluded that it is possible to use tourism as a way to balance natural resource conservation and economic development under the preconditions of making effective policies to encourage and help local people participate in tourism business and to benefit from it.

China↗
PubMed1978

Medical malpractice insurance. Part I: A consideration of some of the factors.

The "crisis" of medical malpractice insurance is a product of a number of factors, both social and economic. Physicians, patients, insurance companies, and lawyers have all made individual and collective contributions. Social forces, changing physicians' roles and reorientation of patient attitudes have made institution of litigation against doctors much more culturally acceptable. Contingency fees, the need for compensation, and aggressive legal attitudes have increased the number of lawsuits and the size of awards, inflation, recession, and other economic developments have caused the insurance industry to be concerned about their financial welfare. The responses of various groups to these factors are presented, and their effect upon the cost and availability of medical malpractice insurance are considered.

Economics, Medical↗
PubMed1976

Fertility trends: 1950-75.

During the past 25 years, the world's population increased by 60 percent to 4 billion people. The period witnessed a momentous decline in mortality, which will probably continue in the developed countries. Fertility has fallen dramatically in the developed countries to quite low levels. In the developing countries, where the bulk of the world's population is concentrated, fertility is still high, although it has begun to decline in some countries. Reductions in fertility have been dramatic in Asia and the Pacific; substantial in Central and South America; and hardly noticeable in Africa. Increasingly, population policies will be considered as an integral part of social and economic development; and family planning will receive increasing attention as a human right, as an element of improved maternal and child health, and also as a means of moderating high rates of population growth.

Americas↗
PubMed2002

Investigating public decisions about protecting wetlands.

Quantitative analyses of species protection decisions taken by public authorities regularly show that ecological factors, such as the probability of extinction, often play a minor role in the decision-making process. The taxonomy of the species or its potential conflict with economic development is a more powerful factor. This paper presents quantitative empirical research on the protection of wetlands in Austria. Econometrically estimated models show that geographical and ecological factors (such as the size of the area, elevation and importance for biodiversity) play a significant role in the protection of wetlands. Additional influences include conflict variables encoding the negative effects of the primary economic sector (agriculture) or tourism.

Agriculture↗
PubMed2006

[Land use and land cover changes and driving forces in the upper reach of Minjiang River].

The upper reach of Minjiang River is the representative of mountainous area in Southwest China in the aspects of natural environment, ecosystem structure, economic development, and social culture. The characteristics of the dynamic changes of its land use and land cover stood for the common questions occurred in the land resources and usage of this area. Woodland and grassland are the main types of land use and land cover, and many changes in land use/cover types happened from 1974 to 2000. Among forestland, shrub land, economic forestland, grassland, cropland and resident land,changes mainly happened between woodland and grassland, and all occurred bilaterally. The area of forestland changed mostly and kept decreasing from 1974 to 2000, while that of other land types increased. The changes of land use and land cover happened between 1974 and 1986 were larger than those happened between 1986 and 2000. Population and economy were the main driving factors for the changes of land use and land cover in the upper reach of Minjiang River. Since the programs of Natural Forest Protection and Withdrawing Cropland to Woodland and Grassland carried into execution, the land use and land cover have changed rationally.

China↗
PubMed1980

Reading between the lines: societal norms in Sierra Leonean readers.

A content analysis of primary school readers in Sierra Leone revealed that the particular modern and traditional normative aspirations expressed in the National Development Plan for 1974/5-1978/9 were also generally reflected in the children's readers. Compared to the 1964 readers, the 1st indigenous readers developed circa 1977 contained markedly greater emphasis on traditional norms, though modernity norms continued to dominate, and substantially less emphasis on Efficacy (a central aspect of modernity) and on Nonparochial Affiliation. This closely corresponded with the intent of the National Plan to continue on a modernizing course employing the traditional norms of Manual Labor and Social Cohesion in a grassroots effort to develop the agricultural sector, with nationalism in a less important role. Apart from lesser emphasis on Efficacy and underemphasis on the Value of Education, both discordant with national goals, the 1977 readers seem to provide children and teachers with a fairly accurate image of the national ethos. This may help to account for the generally positive relationship that has been found between schooling and economic development.

Africa↗
PubMed1996

HIV and India: looking into the abyss.

Serosurveillance of high risk groups started in India in October 1985. The first positive cases were detected in 1986. As of mid-1994, official figures stood at 15000 HIV positive cases and 559 cases of AIDS. This is most certainly an underestimate because of under reporting. Among high risk groups, prevalence has risen rapidly. Between 1986 and 1994, prevalence has risen from 1.6 to 40.0% in sex workers, 1.4 to 40% in STD clinics and 0 to 70% in i.v. drug abusers in various studies. The penetration into the general population is uncertain. As in Africa, infection has been mainly by heterosexual intercourse, with commercial sex workers, long distance truck drivers and migrant labour serving as vehicles of spread. Other routes of infection are transfusion of blood and blood products and i.v. drug use. Dependence on professional blood donors is the main cause of infected blood supplies. Ninety per cent of cases with HIV infection are aged between 15 and 45 years and belong to socioeconomically disadvantaged groups. The male to female ratio is 5:1, with female cases being mainly sex workers. The predominant virus is HIV-1 but cases with HIV-2 and mixed infection are being reported from port cities. The present situation in India is similar to the early pattern in Africa where a sharp increase in seroprevalence among high risk groups was followed by spread to the general population. Clinical AIDS is still infrequent. From experience so far, pulmonary tuberculosis has been the most common clinical presentation. So far AIDS associated tuberculosis has responded to standard therapy but the development of multi-drug resistant mycobacteria and their spread to the large tuberculous population in the country is a potential threat. Key factors of AIDS/HIV prevention are public education and counselling about the infection and safe sex practices, especially in high risk groups; STD control; promotion of voluntary blood donation and adequate screening of blood products and general and equitable progress in the economic development of the country and its people-much high risk behaviour is driven by poverty.

Acquired Immunodeficiency Syndrome↗
PubMed2001

[Assessment of ecosystem health--concept framework and indicator selection].

Based on the concept framework of ecosystem health, this paper discussed the suitable indicators to synthetically assess the ecosystem health in governed landscape. Healthy ecosystem means not only ecological health itself, but also the long-term maintenance of healthy human population and the beneficial promotion of social and economic development. Resilience, biodiversity and productivity are the characteristics of healthy ecosystem. The first step in the structure of indicators to assess ecosystem health should be the determination of precise indicator principles. According to the purpose of assessment and the principles of selecting indicator, the indicator system for assessing ecosystem health can be divided into three categories, namely, biophysical indicators, ecological indicators, and social and economic indicators.

Air↗