发展低碳经济改善城市小气候

随着我国经济发展和城市化进程的加快,城市小气候问题日益突出,并且成为制约城市健康发展的重要障碍,通过分析城市小气候变化的影响因素,结合国内外针对气候变化所做出的努力得出：建设低碳城市,发展低碳经济才是我国实现城市的可持续发展的必经之路,最后根据我国现阶段特点提出了从建设绿色建筑、提倡绿色出行、制定合理规划政策和加强国内外合作等方向发展建设低碳城市,以应对城市小气候变化。     

The urban household in Russia and the Soviet Union, 1900–2000: Patterns of family formation in a turbulent century

Starting from census data on co-residence and household composition, the authors analyse principles of family organisation and family formation in twentieth-century urban Russia and the Soviet Union. The article uses an adapted version of the classification of households developed by Peter Laslett and Eugene Hammel to study variation in household structure for successive population censuses. Changes in this variation between cross-sections are explained with the help of additional quantitative and qualitative data and are linked to the fundamental demographic, social and economic shifts which took place in Russian society in the course of the twentieth century. The article finds a family system characterised by a tendency towards nuclear family formation, but incorporating a fairly stable element of household extension. Co-residence of three generations was both an answer to a perennial housing problem and offered important advantages in the sphere of childcare and care for the elderly. Variation and fluctuation in household structure are found to be most pronounced during the turbulent first half of the century. After a period of stability during the post-war decades of Soviet rule, post-Soviet transformations provoke new changes.     

Societal openness during the urban crisis. Partner selection in the 19th-century Belgian textile cities Ghent and Verviers

This paper examines the partner selection of the lower classes during an urban crisis period in early industrial Belgian cities. It was found that in this period characterized by an economic transition, overpopulation, migration and a low standard of living, social heterogamy was high, whereas social homogamy increased, or was ‘restored’, in the subsequent period. The urban crisis effect on partner selection contradicts the claims of modernization theory that there was a gradual increase in societal openness and that societal openness was typically modern, but it fits the idea of the informalization of marriage, a process marked by an increase in unmarried cohabitation and illegitimacy.     

State ‘parenthood’ and vocational orphanages (islâhhanes): Transformation of urbanity and family life

Ottoman urban reform policies not only targeted the rehabilitation and rebuilding of provinces, cities, streets, and squares; they also aspired to refashion the inhabitants of urban spaces. Vocational orphanages (?slâhhanes) of the latter half of the nineteenth century were, in that respect, instrumental in removing minor vagrants, beggars, and street children from urban areas according to redefined borders of urban security and visibility and in reintegrating them into society through training and employment in arts and crafts. As much as this initiative was a significant step on the part of the state to intervene in family life and child-rearing practices, the research also points to the agency of poor parents in demanding and benefiting from state welfare policies.     

Marriage patterns in 19th-century Vila do Conde: The study of an urban centre in northwest Portugal

This article investigates marital patterns in the urban town of Vila do Conde, northwest Portugal, during the 19th century. The analysis, which is based on the application of the family reconstitution method, reveals differences in marital patterns between rural and urban settlements. It was observed that Vila do Conde displayed different patterns of marriage than those that have often been described for the northwestern region of Portugal, with an emphasis on lower levels of celibacy, as well as lower fertility rates. It was discovered that migration played a very important role in these dynamics. It is a fact that the increasing outflow of male emigrants had a distortion effect on the marriage market. Nevertheless, the influx of in-migrants to the town contributed to alleviate the adult male shortage and resulting gender imbalance, generating lower proportions of celibacy and higher levels of total fertility. Although several important publications have already identified demographic trends in many parishes of the region in focus, few have been concerned with urban parishes. This research aims to contribute to a better understanding of the population dynamics of urban centres in northwest Portugal when set within the context of a number of the structural changes specific to that region and Portugal as a whole in the 19th century.     

Lamppost networks*: stickers as a genre in urban semiotic landscapes

ABSTRACT

This paper examines the pragmatics of stickers as a genre prominent in communication in urban public space. Although normally small in size, stickers may quantitatively dominate signage in certain areas of cities. Stickers are examined here as localized communicative events that mediatize social practices through a range of complex multimodal and linguistic processes, based on data from the Digbeth area in central Birmingham, UK. An analysis of the distribution of stickers, their agency, audience, and the multimodal practices involved in their creation reveals that they bring together transgressive, artistic and commercial discourses and form a specific layer of urban communication, especially in areas of pedestrian transit within a city. A large number of stickers also initiate communications that can potentially be continued online.     

Comment on Andrew S. Carron and R. Dan Brumbaugh,Jr.’s “The viability of the thrift industry”

Abstract

Krueckeberg summarizes Hernando de Soto's premise on property rights and offers a critical interpretation of de Soto's work, arguing that it emphasizes efficiency over equity and, ultimately, that enhanced property rights alone are unlikely to significantly improve housing stability or access to capital for households living in informal arrangements. I clarify several of Krueckeberg's discussions of de Soto's ideas from the perspective of the Institute for Liberty and Democracy (ILD).

The ILD perspective, informed by de Soto's writings, contrasts with Krueckeberg's in the following five areas: access to utilities and services in squatter settlements, the criminal nature of these communities, the ability of the poor to fulfill the responsibilities of formal ownership, their ability to borrow against formally owned property, and the impact of formalizing property on rental housing. I close by considering how the ILD perspective on formalization might be brought to bear in the United States.     

Comment on Carl Abbott's “The Portland region: Where city and suburbs talk to each other—and often agree”

Abstract

The Portland, OR, area's urban growth boundary is an idea whose benefits to the region may depend on a willingness to expand the boundary occasionally. The parable contained in this comment suggests that the declared unwillingness to expand the urban growth boundary could have contributed to Portland's recent sudden increase in housing prices. It further suggests that an inflexible attitude toward the boundary could cause long‐run losses in employment in the Portland region, with few if any offsetting environmental benefits. Other regions should be aware of the potential drawbacks of installing such a boundary.     

Some realities about sprawl and urban decline

Abstract

Many urban analysts believe suburban sprawl has become an important issue because it helps generate two types of problems: growth‐related difficulties like rising traffic congestion, and high concentrations of poor minority households in core‐area neighborhoods. However, a careful regression analysis of measures of both sprawl and urban decline shows no statistically significant relation between these two conditions.

The basic nature of the American urban development process would cause core‐area poverty concentrations even if sprawl were replaced by more compact growth forms. But sprawl does aggravate growth‐related problems. Those problems could be attacked through either alternative overall growth strategies—such as high‐density, tightly bounded growth—or specific anti‐sprawl tactics, such as regional tax‐base sharing and regional coordination of land uses. But no feasible policies are likely either to alleviate traffic congestion much or cause most American regions to abandon sprawl.     

Comment on John T. Metzger's “planned abandonment: The neighborhood life‐cycle theory and national urban policy”

Abstract

I take strong exception to the idea that theories of neighborhood change, in and of themselves, caused the decline of inner cities. Rather, the demographic, social, and economic forces that existed in the postwar years caused some inner‐city neighborhoods to decline. The replacement of working‐class and middle‐income households by households with much lower incomes, on average, was the single biggest cause of neighborhood decline. Metzger ignores this fact as an alternative explanation for why some neighborhoods declined. It is highly implausible that my theories and those of other urban experts had such a strong impact on the public policy, building, and finance communities. Because people were responding to real conditions, it is likely that the same events would have occurred even if my model of neighborhood change had never been developed.