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1.
Environmental Science and Pollution Research - Over the past 40 years since China’s reform and opening up, the industrial structure has undergone tremendous changes. The rapid...  相似文献   

2.
Environmental Science and Pollution Research - Sub-Saharan Africa’s regulatory environment ranks amongst the least business friendly in the world. The difficulty of starting and operating...  相似文献   

3.
Environmental Science and Pollution Research - Under the background that China puts forth the goals of “Emission Peak” and “Carbon Neutrality”, heavily polluting...  相似文献   

4.

This study considers a supply chain consisting of a dominant brand-name retailer and a manufacturer in the presence of a cap-and-trade mechanism and consumers’ low-carbon preference. The retailer exerts advertising efforts, while lacks of the manufacturer’s private carbon emission reduction effort cost information. We construct the benchmark model with information symmetry and asymmetry respectively. We obtain all members’ equilibrium solutions and analytically examine the impact of the manufacturer’s carbon emission reduction effort cost, the retailer’s advertising effort cost, and consumers’ low-carbon preference on the supply chain members’ decisions. And then, we systematically compare two scenarios to obtain the condition in which the manufacturer would be willing to share the private information. With the aim of improving the manufacturer’s carbon emission reduction effort level and all members’ economic performance, we further propose a two-part tariff contract for information symmetry and asymmetry, respectively.

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5.
Environmental Science and Pollution Research - In this paper, the BASIC (Brazil, South Africa, India, and China) countries, which play an increasingly significant role in combating climate change,...  相似文献   

6.
Environmental Science and Pollution Research - With China’s economy entering the stage of high-quality development, manufacturing energy carbon emission efficiency has become the focus of...  相似文献   

7.
Environmental Science and Pollution Research - China’s foreign direct investment is an important driving force for economic growth, which also aggravates carbon emissions. Based on...  相似文献   

8.
Environmental Science and Pollution Research - The environmental Kuznets curve (EKC) hypothesis which was developed by Grossman and Krueger implies that clean environment demand increases over a...  相似文献   

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10.

Pollution from supply chains can be controlled through the high level of efficiency realized by green supply chains. However, realizing a green supply chain depends on partners’ collaboration intentions. The purposes of this study are to explore the influence of oligopolies created through government intervention and how they can promote supply chain partners’ collaboration intentions in the context of green supply chains. Spearman’s correlation analysis, partial least squares, and the Sobel test are the main approaches adopted to evaluate the theoretical framework and hypotheses of this study. Our findings indicate that, in addition to a few leaders of the supply chain obtaining market order distribution authority, oligopolies created through government intervention guide consumers to more fully scrutinize these supply chain leaders and their partners. When their partners exhibit a lower collaboration intention in green supply chain improvement and increase the pollution emission risk, it is easy to induce and increase social pressure from consumers and thus pressure these leaders to reduce or even cancel the order distribution of these partners. To avoid order profit loss, these partners will continue to actively maintain their collaboration intentions in the green supply chain. In addition, environmental risk audits by supply chain leaders’ interventions are a common approach to improve green supply chains. However, partners are usually unwilling to cooperate with leaders’ audit interventions and show lower collaboration intentions. However, social pressure can threaten partners’ order profits and thus drive partners to show positive collaboration intentions and further accept leaders’ reasonable interventions in environmental risk audits and will have a positive effect on green supply chain improvement. Based on the above, to expedite the improvement of the green supply chain, oligopolies created through government intervention are not only an important external force but also an important national strategy in green environmental improvement.

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11.
Environmental Science and Pollution Research - The complexity of the national value chain (NVC) has significantly impacted the level of energy consumption embodied in domestic trade. This paper...  相似文献   

12.
Environmental Science and Pollution Research - How to measure the overall level of regional social economy, resources, and environment and how to grasp the coordinated development between them has...  相似文献   

13.
Rice hulls are widely burnt in agricultural fields in Asia because it is difficult to find other uses for them. Farmers burn rice hulls usually under incomplete combustion conditions to avoid accidental fires. In this study we investigated carbon gas emissions from rice hull fires at controlled wind speeds in a wind tunnel to clarify the effect of wind on such fires. Burning of the rice hulls resulted in relatively incomplete combustion: the ratio of [CO] to [CO2] was high, >0.2, except when burning occurred at high wind speeds. Distinct differences in the carbon ratios of emitted carbon gases (CO2, CO, CH4, and nonmethane volatile organic compounds [NMVOC]) were found between high and low wind speeds: at high wind speeds, flames were usually present, and the CO2 contribution to total carbon gases was higher; at low wind speeds, the NMVOC and CH4 contributions to total carbon gases were greater. Therefore, a compensatory relationship existed between NMVOC and CH4 and CO2. Additionally, the ratio of [consumed O2] to [CO2] was <1 during the smoldering phase of combustion and >1 during the charcoal phase, synchronous with changes in [CH4] and [NMVOC].  相似文献   

14.
This study aimed to investigate the effects on the environment of small clinics solid waste management by applying a life cycle analysis approach. Samples were collected from 371 private clinics situated in densely populated areas of Hyderabad, Pakistan. The solid waste from surveyed clinics was categorically quantified on daily basis for 30 consecutive days. The functional unit for waste was defined as 1 tonne. System limitations were defined as landfilling, incineration, composting, material recovery, and transportation of solid waste. The treatment and disposal methods were assessed according to their greenhouse gas emission rate. For the evaluation, three different scenarios were designed. The second scenario resulted in the highest emission value of 1491.78 kg CO2 eq/tonne of solid waste due to mixed waste incineration, whereas the first scenario could not offer any saving because of uncovered landfilling and 67.5% higher transport fuel consumption than the proposed network. The proposed third scenario was found to be a better solution for urban clinics solid waste management, as it resulted in savings of 951.38 kg CO2 eq/tonne of solid waste. This integrated design is practicable by resource-constrained economy. This system consists of composting, material recovery, and incineration of hazardous waste. The proposed system also includes a feasible transportation method for urban area collection networks. The findings of the present study can play a vital role in documenting evidence and for policymakers to plan the solid waste management of clinics, as previously no studies have been conducted on this particular case.

Implications: This study aims to highlight the impact of small clinics solid waste management scenarios on the environment in a developing country’s urban area. Life cycle analysis is used for comparison of greenhouse gase emission from different scenarios, including the purposed integrated method. Small clinics play a very important role in health care, and their waste management is a very serious issue; however, there are no previous studies on this particular case to the best knowledge of the authors. This study can be considered as forerunner effort to quantify the environmental footprint of small clinics solid waste in urban areas of a developing country.  相似文献   


15.
Environmental Science and Pollution Research - Rapid evolution in the population age structure of the Middle East countries has major economic, social, and environmental outcomes. Therefore, to...  相似文献   

16.
Environmental Science and Pollution Research - Energy-related carbon emissions take a large proportion in China, and the interregional trade caused by provincial disparities has led to significant...  相似文献   

17.
This paper presents the 2005 global inventory of anthropogenic emissions to the atmosphere component of the work that was prepared by UNEP and AMAP as a contribution to the UNEP report Global Atmospheric Mercury Assessment: Sources, Emissions and Transport (UNEP Chemicals Branch, 2008).It describes the methodology applied to compile emissions data on the two main components of the inventory – the ‘by-product’ emissions and the ‘intentional use’ emissions – and to geospatially distribute these emissions estimates to produce a gridded dataset for use by modelers, and the results of this work.It also presents some initial results of work to develop (simplified) scenario emissions inventories for 2020 that can be used to investigate the possible implications of actions to reduce mercury emissions at the global scale.  相似文献   

18.
Environmental Science and Pollution Research - Based on the Tapio decoupling model, this paper calculates the decoupling indexes of the transportation output and the transportation carbon emissions...  相似文献   

19.
Environmental Science and Pollution Research - The increased growth of vegetation has the potential to slow global climate warming. Therefore, analyzing and predicting the response assessment of...  相似文献   

20.
Isoprene emission rates of 64 plant species found in California's urban and natural landscapes were measured using a dynamic flow-through chamber enclosure technique. Species were selected to provide data for previously unmeasured species and to test estimates of isoprene emission rates based upon taxonomic relationships developed for compilation of biogenic emission inventories as proposed by Benjamin et al. (1996, Atmospheric Environment 30, 1437–1452). Branch-level isoprene emission rates ranged from undetectable for 47 species, to 54 μg g−1 h−1 for Quercus kelloggii, California black oak. Isoprene emission rate estimates based on taxonomy agreed well with our measurements for species within the same genus, with the exception of the Quercus genus for which a wide range of isoprene emission rates have been reported. As expected, family-level estimates based on taxonomy showed greater deviation from our measured values than did genus-based estimates. The data developed in the present study support use of a taxonomic predictive methodology, especially if previous measurements within specific families, sub-families, and genera are extensive, and the results of such assignment are treated with proper caution. A taxonomic approach may be most useful where plant species in natural and urban landscapes are numerous, such as in California, where no experimental measurements are available for thousands of species.  相似文献   

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