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The enforcement behaviour of environmental officials in developing countries has not received adequate attention despite enormous challenges to regulatory enforcement in those areas. Accordingly, this article examines the relationship between perceptions of support from local governments and society and evaluations of enforcement effectiveness. A model in which organisational commitment partially mediates these relationships was tested using a sample of 202 enforcement officials in Guangzhou. China. The findings confirm a partial mediating role for organisational commitment and an interaction effect between government and societal support. A plot of this interaction reveals that when enforcement officials perceive high levels of governmental support, societal support further enhances their perceptions of enforcement effectiveness. However, when they perceive government support to be low, higher levels of societal support appear to diminish their assessments of enforcement effectiveness. [ABSTRACT FROM AUTHOR]

The ability to achieve urban sustainability has become an indication of the competence of a municipal government aiming to gain world class status for the city. While both Guangzhou and Hong Kong are Chinese cities having their own formulation of urban sustainability, the implementation details and the actual sustainability blueprints are very different. As a result, the outcomes and prospects for urban sustainability are also different. Hong Kong has adopted a less integrative and more institutionally-oriented approach for urban sustainability Guangzhou has used the conventional approach to formulate an integrated sustainability programme for its local Agenda 21. Hong Kong's action plan emphasizes improving coordination, making objective assessments and achieving consistency in policy-making. Guangzhou, on the other hand, emphasizes the meeting of concrete environmental targets. Unfortunately, the new institutional arrangement and monitoring tools adopted by Hong Kong have not been able to achieve the original intent and neither is there the intention to go tot) far beyond the weak sustainability approach. On the contrary, Guangzhou has planned and attempted to incorporate industrial ecology in its development regime while heavily investing into pollution control programmes and pushing forward a green community programme at the grass-roots level. [ABSTRACT FROM AUTHOR]

Discusses the interactions between environmental agencies and public opinion in developing countries. Environmental governance in Guangzhou, China; Effort of the Guangzhou Environmental Protection Bureau to cultivate an environmentally sensitive community; Bureau's handling of complaints and its institutional constraints on mobilizing greater public support.

The Greater Bay Area (GBA) of China is experiencing a high level of exposure to outdoor PM2.5 pollution. The variations in the exposure level are determined by spatiotemporal variations in the PM2.5 concentration and population. To better guide public policies that aim to reduce the population exposure level, it is essential to explicitly decompose and assess the impacts of different factors. This study took advantage of high-resolution satellite observations to characterize the long-term variations in population exposure to outdoor PM2.5 for cities in the GBA region during the three most-recent Five-Year Plan (FYP) periods (2001–2015). A new decomposition method was then used to assess the impact of PM2.5 variations and demographic changes on the exposure variation. Within the decomposition framework, an index of pollution-population-coincidence–induced PM2.5 exposure (PPCE) was introduced to characterize the interaction of PM2.5 and the population distribution. The results showed that the 15-year average PPCE levels in all cities were positive (e.g., 6 µg/m3 in Guangzhou), suggesting that unfavorable city planning had led to people dwelling in polluted areas. An analyses of the spatial differences in PM2.5 changes showed that urban areas experienced a greater decrease in PM2.5 concentration than did rural areas in most cities during the 11th (2006–2010) and 12th (2011–2015) FYP periods. These spatial differences in PM2.5 changes reduced the PPCE levels of these cities and thus reduced the exposure levels (by as much as -0.58 µg/m3/year). The population migration resulting from rapid urbanization, however, increased the PPCE and exposure levels (by as much as 0.18 µg/m3/year) in most cities during the three FYP periods considered. Dongguan was a special case in that the demographic change reduced the exposure level because of its rapid development of residential areas in cleaner regions adjacent to Shenzhen. The exposure levels in all cities remained high because of the high mean PM2.5 concentrations and their positive PPCE. To better protect public health, control efforts should target densely populated areas and city planning should locate more people in cleaner areas. [ABSTRACT FROM AUTHOR]