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Journal of environmental management
Elsevier Science
Journal of environmental management

Elsevier Science

半月刊

0301-4797

Journal of environmental management/Journal Journal of environmental managementEISCI
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    Sustainable vineyard management: Assessing the environmental impact of vermicompost compared over mineral fertilizers

    Sara Lago-OlveiraPablo Antelo-LijoDaniel Duran PereiraJavier J. Cancela...
    125192.1-125192.14页
    查看更多>>摘要：The use of mineral fertilizers in agriculture has been identified as a significant source of pollution, contributing to the formation of hypoxic water bodies and the emergence of a pressing public health concern in numerous developing countries due to nitrate contamination of drinking water. In response to the increasing recognition of the need for more sustainable fertilization methods, this study investigates the potential for vermicompost to outperform mineral fertilizers in terms of environmental performance in Galician vineyards (Northwest Spain) using the Life Cycle Assessment methodology. The analysis followed a cradle-to-gate approach, conducting a comparison between vermicompost and synthetic fertilizers across fourteen impact categories, including biodiversity loss and novel ecosystem services indicators (e.g., water purification, soil erosion prevention, and carbon sequestration). The results indicated that the use of vermicompost resulted in greater environmental impacts compared to conventional grape production (up to 17 times higher), irrespective of the functional unit, due to the elevated levels of nutrients applied and the considerable influence of vermicompost production on specific impact categories, including water scarcity, terrestrial acidification, and global warming. On the other hand, the use of vermicompost markedly improved carbon sequestration compared to conventional cultivation, with values ranging from -25.75 to -88.73 t C·ha~(-1) in vermicompost scenarios, as opposed to 26.49 t C·ha~(-1) in conventional scenarios, effectively offsetting their carbon footprint. In terms of soil erosion control, a decline was observed (73.45 t soil·ha~(-1) ), irrespective of the fertilization strategy employed. The most impactful activities identified were disease control and fertilization, primarily due to on-field emissions and the production of phytosanitary products. In contrast, field operations and infrastructure had minimal influence on the overall environmental profile.
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    Design of Nd-SrTiO_3/SrCO_3@Ag_2O Z-scheme heterojunction with the dual internal electric field for piezo-photocatalytic removal of pollutants

    Jiayi HuangHongji LiChunjiao HuJingmei Li...
    125211.1-125211.10页
    查看更多>>摘要：With the increasing severity of environmental pollution problems, developing efficient and low-cost pollution control technologies has become an urgent task. This study designed and prepared a novel Nd-SrTiO_3/ SrCO_3@Ag_2O (Nd-SSTO/Ag_2O) dual internal electric field material for piezoelectric photocatalytic removal of pollutants from water. Under simulated sunlight irradiation, the material exhibited excellent photocatalytic activity. Among them, under single visible light irradiation and single ultrasound vibration, the degradation rate of RhB by 2.5 % Nd-SSTO/Ag_2O-0.2 only reached 22.4 % and 25.6 % in 1 h, respectively. However, when visible light and ultrasound vibration act simultaneously, the degradation rate of RhB by 2.5 % Nd-SSTO/Ag_2O-0.2 reached 95.1 % in 1 h with the reaction rate constants being 8.86 times and 1.64 times those of SSTO and Ag_2O respectively. Furthermore, after four cyclic experiments, the degradation efficiency of RhB by 2.5 % Nd-SSTO/ Ag_2O-0.2 remained above 90 %. Additionally, ICP analysis revealed that the amount of catalyst elements released into the solution during the degradation process was extremely low, indicating that the prepared 2.5 % Nd-SSTO/Ag_2O-0.2 catalyst possesses good stability. Through Nd doping, the light absorption range of SSTO was extended from the ultraviolet region to the visible region. After inducing Ag_2O, a Nd-SSTO/Ag_2O Z-scheme heterojunction was formed with the dual internal electric field, which not only expanded the carrier transmission channel but also improved the photo-induced carrier separation, allowing more e~- and h~+ to participate in the photocatalytic degradation reaction. Additionally, the piezoelectric characteristics of SrTiO_3 (STO) further accelerated the migration of e~- -h~+ pairs. This study opens up a new idea for the development and preparation of high-efficiency piezoelectric photocatalytic materials, and also provides a potential technical approach for environmental pollution control.
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    Integrating green finance and energy transitions for decarbonization: Policy pathways to achieve COP-29 goals in E7 economies

    Yufang JiangAzaz Ali Ather BukhariWaqar Ali Ather BukhariShoh-Jakhon Khamdamov...
    125217.1-125217.11页
    查看更多>>摘要：Addressing the urgent challenges of rising CO_2 emissions and global warming has become a critical priority, particularly in emerging economies. Commitments made during COP-29 emphasized the need to triple climate finance and scale up investments in green energy to meet global decarbonization goals by 2050. The objective of this study is twofold: first, to investigate the impact of green energy and finance on reducing CO_2 emissions. Second, this study investigated whether green finance facilitates the adoption of green energy and enhances its impact on CO_2 reduction. This study analyzed data from seven emerging economies from 1996 to 2022 to fulfill the research objective. FMOLS and DOLS regression methods were used to analyze the empirical data. The research showed green energy combined with green finance performed effectively to decrease CO_2 emissions. The relationship between green finance and renewable energy systems resulted in a substantial collaborative outcome. This study indicates that green finance makes renewable energy more efficient at reducing emissions through properly directed funding. The research indicates green finance acts as a vital instrument for eliminating financing barriers which advances renewable energy system implementation. The study concludes that green finance is the best strategy to achieve a carbon neutrality target.
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    Repurposing shared bike frames into rural infrastructure

    Cheng QianZhao Ma
    125229.1-125229.13页
    查看更多>>摘要：While bike-sharing systems have generated significant economic benefits, they have also faced challenges regarding the disposal and recycling of discarded bicycle frames. A potential solution to reuse these difficult-to-recycle frames for essential public service facilities in rural areas has not yet been thoroughly explored. Using shape grammar as a design method, this study examines two typical bicycle frame designs with different geometric properties and successfully repurpose the frames into various public service facilities, such as public tables and chairs, railings, installations, and public restrooms. The research highlights the significant potential for the reuse of discarded bicycle frames by reducing resource waste and providing essential infrastructure for underdeveloped rural areas to narrow the urban-rural disparity. The innovative approach presented in this study offers new directions for future research and practical applications in waste recycling.
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    Cold sintering of ammonium phosphomolybdate ((NH_4)_3PMo_(12)O_(40)·xH_2O) as soild-state matrices for cesium immobilization

    Chi ZhangPengju ChenYi ZhouYue Ji...
    125232.1-125232.9页
    查看更多>>摘要：Ammonium phosphomolybdate (APM) is often used for the adsorption of Cs~+. However, the decomposition temperature of cesium-containing ammonium phosphomolybdate waste is low and difficult to dispose of. This study introduces the first use of cold sintering to solidify ammonium phosphomolybdate monomers at low temperatures. The maximum adsorption capacity of the synthesized ammonium phosphomolybdate was 112.58 mg/g. Cold sintering results indicate that the HNO_3 was more effective than other acidic or salt solutions for densifying ammonium phosphomolybdate. The optimal conditions for cold sintering were 200 ℃, 500 MPa, 10 wt% HNO_3, and 10 min. The cold-sintered Cs-ammonium phosphomolybdate ceramic exhibited impressive compressive strength (624.7 MPa), Vickers microhardness (165.2 HV) and relative density of (97.61 %). The Cs leaching rate of Cs-ammonium phosphomolybdate ceramics was as low as 7.38 × 10~(-5) g m~(-2)·d~(-1) after measured at 90 ℃ for 7 days.
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    Synergistic interplay of management practices and environmental factors in shaping grassland soil carbon stocks: Insights into the effects of fertilization, mowing, burning, and grazing

    Yves Theoneste MurindangaboJan FrouzJaroslava FrouzovaMartin Bartuska...
    125236.1-125236.25页
    查看更多>>摘要：Grasslands, which account for over 40 % of the Earth's terrestrial area, play a vital role in mitigating global change and biodiversity loss. These ecosystems serve as critical carbon sinks, regulating the global carbon cycle and supporting diverse flora and fauna. However, their ability to sustain these functions is threatened by land use change and climate disruption. Current challenges revolve around understanding how key management practices such as grazing, mowing, burning, and fertilization, interact with environmental factors to influence grassland soil carbon stocks. This study presents a meta-analysis of the effects of these management practices and environmental factors, such as soil type, depth, texture, temperature, precipitation, and their synergistic interplay. It evaluates how management intensity, duration, and frequency interact with these environmental variables to influence soil carbon storage, providing valuable insights into optimizing grassland management for enhanced soil carbon stock and broader ecosystem stability. The findings reveal that grazing, particularly at high intensity, tends to reduce soil carbon stocks (-0.412, p ＜ 0.001), with the most pronounced effects observed in shallow soils and temperate climates. Mowing also negatively affected carbon stock (-0.416, p = 0.013), especially when carried out frequently and over long durations. On the other hand, burning had mixed results with an overall positive effect (0.340, p = 0.078). Short-term burns promoted carbon accumulation, while frequent burning led to carbon loss. Fertilization, especially with nitrogen and phosphorus, proved beneficial for increasing soil carbon stocks (0.712, p ＜ 0.001), particularly in nutrient-poor soils and semi-arid climates. This study introduces a systems-based approach to grassland management, providing a framework for optimizing carbon-focused strategies. By integrating the role of management practices, particularly their frequency, intensity, and duration, along with soil characteristics and climate, these findings provide actionable insights for policymakers, land managers, and researchers. They guide the development of sustainable management strategies that not only enhance soil carbon stocks but also support ecosystem health and resilience.
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    Leveraging big data to elucidate the impact of heavy metal nanoparticles on anammox processes in wastewater treatment

    Yiqun HongZhenguo ChenZehua HuangChunying Zheng...
    125243.1-125243.10页
    查看更多>>摘要：Anammox is a highly efficient nitrogen removal process, yet the effects of metal/metal-oxide nanoparticles (M/ MONPs) on these systems remain underexplored. This study investigates the impact of various M/MONPs on the nitrogen removal rate (NRR). Pearson correlation analysis and statistical evaluation indicates that silver and copper oxide nanoparticles exhibit the highest inhibitory effect, with an inhibition rate of 83.4 % and 73.7 %, respectively. Furthermore, Machine learning models, particularly extreme gradient boost (XGBoost), demonstrate superior performance, with R~2 values exceeding 0.91. SHapley Additive exPlanations (SHAP) feature importance analysis highlighted nanoparticles concentration, influent ammonia nitrogen concentration as the most influential factors. Additionally, Partial Dependence Plots (PDP) analysis of key features provided further clarity on the optimal ranges for these critical variables. The present study provides a novel predictive methodology and optimization strategies for enhancing the NRR of anammox system under M/MONPs stress, informed by comprehensive big data analysis.
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    Hybridizing black liquor-derived kraft lignin with Ag_3PO_4@ZnO to boost tetracycline and dye removal through synergistic adsorption-photocatalytic pathways

    Marwa S. AbdelkaderSherif A. YounisEsraa M. El-FawalHager R. Ali...
    125270.1-125270.20页
    查看更多>>摘要：Discharging pulping black liquor waste and industrial wastewater, such as that from the pharmaceuticals and textiles, into surface water can poses risks to both human health and aquatic ecosystems. Accordingly, this research introduces an innovative method for valorizing pulping black liquor waste by extracting kraft lignin (KL) as a sustainable biopolymer for constructing a ternary KL-supported Ag_3PO_4@ZnO p-n heterojunction (designated as AZC-KL_((ⅹ)), with x denotes the wt. % ratios of AZC (Ag_3PO_4@ZnO): KL at 1∶ 0.2, 1∶ 0.5, and 1∶ 1). The AZC-KL_((ⅹ)) composites are evaluated for the enhanced removal of mixed textile (e.g., methylene blue (MB) and methyl orange (MO) dyes) and pharmaceutical (e.g., tetracycline (TC)) pollutants through synergistic adsorption/photocatalytic mechanisms under dark/visible light conditions, in comparison to the pristine Ag_3PO_4@ZnO, as well as KL-supported Ag_3PO_4 or ZnO binary composites. In comparison to the AZC heterojunction, the AZC-KL_((ⅹ)) significantly improves the adsorption rate of three pollutants by a factor of 1.66 - 3.81. This enhancement is attributed to π-π stacking and hydrogen bonding with the oxygen-containing groups and aromatic structure of the KL substrate. In particular, AZC-KL_((1)) demonstrates superior adsorption-photocatalytic activity, sustaining its effectiveness over five cycles. It exhibits the highest removal rate for MB dye with a k_(app) of 3.26 × 10~(-2) min~(-1) and an apparent quantum yield (AQY) of 16.4 × 10~(-7) mol/E across 180 min of visible light irradiation, which is 6.4 and 9.5 times higher than that of TC and MO, respectively. Lowering the KL ratio to 1∶ 0.2 in the AZC-KL_((ⅹ)) structure leads to a performance decline by 1.18 - 2.1 times (relative to AZC-KL_((1))), demonstrating the importance of KL in tailoring the surface chemistry and optoelectronic characteristics of AZC-KL_((ⅹ)), as verified by various analytical methods. This collaborative method lowers the energy required for effective wastewater treatment and decreases treatment costs, as demonstrated in the techno-economical analysis.
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    Experimental study and molecular dynamics simulation:Thermal behaviors, volatile products and chlorine migration characteristics during pyrolysis and combustion of 2,4-dichlorophenoxyacetic acid waste salt

    Yueyan SongXiangyu GuDi He
    125277.1-125277.10页
    查看更多>>摘要：An organochlorine pesticide, 2,4-Dichlorophenoxyacetic acid (24D), produces pesticide by-product waste salts that pose a potential risk of secondary contamination, creating significant challenges in disposal management. While thermal treatment has emerged as a viable method for managing 24D waste salt, reducing the thermal temperature and controlling the release of chlorine-containing organic compounds from volatile products remains a significant obstacle. In this work, the effects of pyrolysis and combustion on the 24D thermal treatment were explored by TGA-FTIR-GCMS coupling techniques and molecular dynamics calculations (ReaxFF). Combustion achieved a total organic carbon (TOC) removal rate of 93.17 % at 873K, which was higher than that achieved by pyrolysis. In terms of volatile products, the release of small molecule gases such as CO_2, CO, CH_4, and HCl is significantly enhanced during combustion, the HCl emission in the combustion process is 2.7 times that in the pyrolysis process. However, as the temperature of the combustion process increased, 24D synthesis reaction to form substances such as heterocyclic-Cl, the amount of which increased to 7.01 % at 873K. ReaxFF-MD simulations investigated the thermal treatment of 24D, revealing a complex pyrolysis and combustion mechanism, including multiple reaction pathways for dechlorination, dehydrogenation, dehydroxylation, and generation of chlorinated products HCl and CH_3Cl. The combustion process can increase the free radicals and provide more degradation pathways in the reaction system, which promotes the migratory conversion of organic-Cl to inorganic-Cl in 24D. Therefore, combustion treatment with low decomposition temperature and easy degradation of chlorine-containing intermediate products is a feasible method to purify 24D WS.
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    Towards a regional baseline of Greenland's continental shelf seabed biodiversity

    Nadescha ZwerschkeNanette Hammeken ArboeJohanna BehrischMartin Blicher...
    125285.1-125285.15页
    查看更多>>摘要：Polar ecosystems are on the forefront of climate change, yet large parts of our polar seas remain unexplored. This affects our ability to detect change in these regions and hampers global science driven conservation efforts. In Greenland, which is heavily reliant on demersal fisheries, this also affects the economy by complicating sus-tainability certification. Based on a 8-year benthic bycatch monitoring programme recording primarily mega-benthos (＞1 cm), we provide a first baseline of the benthic ecosystem in Greenland. We calculated richness, rarity, vulnerable marine ecosystem indicator taxon richness (VME) and biomass across 21 % of the Greenlandic EEZ and suggest seven areas to be considered for management effort based on the 75th percentile of sample distribution for richness, rarity and VMEs. We could identify a clear pattern between East and West Greenland primarily driven by a greater abundance of ostur sponges in the East and greater richness and presence of rare species in the West. We identified patterns of geographic-scale richness (Gamma richness) across depth, latitude, distance from coast and temperature and found that richness decreased with latitude and depth and increased towards the shelf-break as expected. Some deviation from these patterns might have been due to sampling bias. Generally, taxa were found to occupy large spatial regions with few endemic or rare species across the study region. This study is the largest assessment of the benthic Greenlandic shelf ecosystem to date and offers essential guidance to policymakers across the Arctic by providing key knowledge on a hitherto understudied area in the Arctic and implementing an easily applicable approach to conservation area selection that is achievable by nations with limited resources.
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