Industrial networks have become intricately interwoven, utilizing material resources to meet humanity's needs. Recently, sustainable technologies have been pursued to enhance industrial efficiency and reduce environmental and resource impacts. However, current research lacks a comprehensive methodology and typical cases for constructing efficient resource-based industrial networks.
View Article and Find Full Text PDFPlastic production and plastic pollution have a negative effect on our environment, environmental justice, and climate change. Using detailed global and regional plastics datasets coupled with socioeconomic data, we employ machine learning to predict that, without intervention, annual mismanaged plastic waste will nearly double to 121 million metric tonnes (Mt) [100 to 139 Mt 95% confidence interval] by 2050. Annual greenhouse gas emissions from the plastic system are projected to grow by 37% to 3.
View Article and Find Full Text PDFPlastic additive-related chemicals, particularly in polyvinyl chloride (PVC) plastics, have become a key issue in plastic pollution. Although addressing plastic pollution through the life-cycle approach is crucial, the environmental impacts of typical plastic additive-related chemicals in PVC plastics during the cradle-to-gate stage remain unexplored. Consequently, managing the life-cycle environmental impacts of these additives remains challenging.
View Article and Find Full Text PDFPhasing down fossil fuels is crucial for climate mitigation. Even though 80-90% of fossil fuels are used to provide energy, their use as feedstock to produce plastics, fertilizers, and chemicals, is associated with substantial CO emissions. However, our understanding of hard-to-abate chemical production remains limited.
View Article and Find Full Text PDFThe development and utilization of bulk resources provide the basic material needs for industrial systems. However, most current resource utilization patterns are unsustainable, with low efficiencies and high carbon emissions. Here, we report a quantitative tool for resource-based industries to facilitate sustainable and low-carbon transitions within the regional economy.
View Article and Find Full Text PDFThe coupled nature of the nitrogen (N) and phosphorus (P) cycling networks is of critical importance for sustainable food systems. Here we use material flow and ecological network analysis methods to map the N-P-coupled cycling network in China and evaluate its resilience. Results show a drop in resilience between 1980 and 2020, with further decreases expected by 2060 across different socio-economic pathways.
View Article and Find Full Text PDFProcess-related carbon emissions, which cannot be completely eliminated by the improvement of processes and energy structure, are recognized as an enormous challenge for in-depth decarbonization. To accelerate the achievement of carbon neutrality, the concept of 'artificial carbon cycle' is proposed based on the integrated system of process-related carbon emissions from high-emitting industries and CCU technology as a potential pathway towards a sustainable future. This paper conducts a systematic review on the integrated system with the case of China, which is the largest carbon-emitting and manufacturing country, to provide a clearer and more meaningful analysis.
View Article and Find Full Text PDFAmmonia (NH) is an important precursor of secondary inorganic aerosols and greatly impacts nitrogen deposition and acid rain. Previous studies have mainly focused on the agricultural NH emissions, while recent research has noted that industrial sources could be significant in China. However, detailed estimates of NH emitted from industrial sectors in China are lacking.
View Article and Find Full Text PDFEnviron Sci Pollut Res Int
October 2021
The development of industrial parks is an important avenue to promote economic growth in the context of modernization. Industrial symbiosis (IS), mainly characterized by the physical exchange of product, by-product, and waste, has been established worldwide in industrial parks for better economic, environmental, and resource-consuming performances. The suitable design of input-output matching builds the base of IS practice.
View Article and Find Full Text PDFEffective and fair mitigation measures hinge on the identification of hotspots and tracking provenance on reactive nitrogen (Nr) loss at a high spatial resolution. We assessed the Nr loss intensity in China at 1 km spatial resolution from 1980 to 2015. The total Nr loss increased from 20.
View Article and Find Full Text PDFIn recent years, global warming has become increasingly devastating, leading to severe consequences, such as extreme weather events and sea-level rise. To reduce carbon dioxide emissions, it is essential to recognize different emission sources and key driving factors. Three main carbon emission sources from the period between 1990 and 2017 were identified in China: the energy industry, fuel combustion in other industries, and industrial process.
View Article and Find Full Text PDFSci Total Environ
February 2021
Agriculture has played an indispensable role in the economic and social development of China. However, the inappropriate application of fertilizers in agriculture has brought about environmental pollution. Therefore, under the requirements of green development, the inevitable choice has been reducing the application amount while increasing the utilization rate of fertilizers.
View Article and Find Full Text PDFEnviron Sci Pollut Res Int
November 2020
With rapid urbanization, municipal food waste (MFW), which is an important part of municipal solid waste, has attracted considerable attention owing to its environmental impact and polluting nature. There has been little research on the quantity and distribution of food waste (FW) produced in China. This study focused on a systematic estimation and analysis of MFW produced in administrative divisions at the prefecture-level and above in China for the first time.
View Article and Find Full Text PDFSci Total Environ
August 2020
Excessive anthropogenic activities have led to high-level ammonia loss and volatilization, which is regarded as a key factor in Chinese haze formation. In this study, a comprehensive analysis of ammonia emission estimations is accomplished at both temporal (1980-2016) and spatial (provincial) scales using a mass-balanced model, and emission projections through 2030 are also studied in different development scenarios. The results show that the ammonia emissions increased from 4.
View Article and Find Full Text PDFChina is promoting extended producer responsibility (EPR) for waste electrical and electronic equipment (WEEE). However, the present EPR policy in China, in fund mode, has been facing the challenge of fund deficit severely since 2016. A new sustainable EPR mode is needed to solve this problem.
View Article and Find Full Text PDFJ Environ Manage
October 2019
While the economy and society of China are developing rapidly, various ecological and environmental problems continue to emerge. The problem of air pollution is becoming an issue of increasing concern. Since 2013, Beijing, Tianjin, and Hebei Provinces have collaborated to control air pollution and have achieved certain success.
View Article and Find Full Text PDFIndustrial parks (IPs) have always been an important driving force for China's economic development. China has a great number of IPs, and this number is continuing to increase. The rapid development of IPs has brought great pressure on national resources utilization and environmental protection.
View Article and Find Full Text PDFThe information technology revolution has brought unprecedented opportunities to the sustainable development of the traditional phosphate fertilizer industry. In this paper, the changes in characteristic indexes during this technological progress and business innovation are investigated at the industrial level and for different stakeholders using scenario simulation analysis based on system dynamics. The results show that information technology will have a significant impact on the traditional fertilizer industry.
View Article and Find Full Text PDFThe rapid development of aquaculture has sustained aquatic food production but has also led to a host of environmental problems, ranging from eutrophication of aquatic ecosystems to global acidification. China has become the world's largest producer and consumer of aquaculture products. Nitrogen is an essential nutrient in aquaculture ecosystems, and the quantitative environmental fate and impact of nitrogen during aquaculture processes have notable environmental consequences but have received little attention.
View Article and Find Full Text PDFEnviron Sci Technol
February 2018
Anthropogenic inputs of reactive nitrogen (Nr) provide sufficient food, energy, and industrial products to meet human demands; however, only a fraction of Nr is consumed as food and nonfood goods, and the rest is lost to the environment and negatively affects ecosystems. High-resolution studies of nitrogen flows are invaluable to increase nitrogen use efficiencies and reduce environmental emissions. In this study, a comprehensive substance flow analysis of nitrogen for China in 2014 is presented.
View Article and Find Full Text PDFSubstance flow analysis was used to construct a model to analyze change traits of China's phosphorous (P) consumption structure from 1980 to 2008 and their influences on environmental phosphorous loads, then the correlation between several socioeconomic factors and phosphorous consumption pollution was investigated. It is found that phosphorous nutrient inputs of urban life and rural life on a per capita level climbed to 1.20 kg x a(-1) and 0.
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