Energy & Environment

Article	Citations
Inhibitory effect of thyme oil as an antioxidant for waste cooking oil biodiesel crystallization	127
Non-renewable energy effects of trade in intermediate and final products: Evidence from emerging industrial economies	126
Assessing and prospecting decoupling effect of carbon emissions from economic growth: Empirical studies from Chinese provinces	89
Financial instability and environmental degradation: Evidence from South Asia	87
Investigation of soiling effects for east/west vertical bifacial and north/south tilted monofacial photovoltaic farms	83
Changing the regulations for regulating the changes: From distribution system operator (DSO) to electricity distribution stakeholders’ organization (EDSO)	72
Green finance and renewable energy mix: Evidence from emerging countries	71
Synergy of environmental information disclosure in China: Effects on carbon reduction and quality improvement	68
Analyzing the effects of financial deepening, smart urbanization, rural development, and digital economy on green growth in China within the framework of carbon neutrality targets	64
Carbon dynamics: A holistic analysis of FDI, trade liberalization, urbanization, economic growth, and effects on CO2 emissions in South Asia	63
What drives carbon emissions reduction in Beijing? An empirical study based on SDA and SPD	62
Do regulatory affairs, political stability, and renewable energy demand improve environmental quality? Perceptive from the South Asian Association for Regional Cooperation region	55
The aquaculture waste as the carbon source for nanocellulose production by Komagataeibacter europaeus	54
Soiling impact and cleaning techniques for optimizing photovoltaic and concentrated solar power power production: A state-of-the-art review	54
Can the development of industrial intelligence increase the overall benefits of China’s participation in global value chains?	52
Sustainable energy efficiency in China from the perspective of environmental development: A comprehensive analysis of regional disparities and policy implications	49
The interplay of the carbon market, the tradable green certificate market, and electricity market in South Korea: Dynamic transmission and spillover effects	48
Pyrolysis recovery and product distribution of shrimp shell waste: Insights from thermogravimetric-Fourier transform infrared spectroscopy and pyrolysis–gas chromatography/mass spectrometry characteri	48
Spatial analysis of public residential housing's electricity consumption in relation to urban landscape and building characteristics: A case study in Singapore	47
Methodology to characterize urban areas with similar daily electricity load curves using smart meters and census information (Montevideo-Uruguay)	46
The effects of Trichoderma atroviride pretreatment on the biogas production from anaerobic digestion of water hyacinth	44
Research on the dynamic evolution and influence factors of industrial energy efficiency in China Yangtze River Economic Belt	44
Towards sustainable environment: Unleashing the mechanism between green finance and corporate social responsibility	44
Effect of α-aluminium oxide nano additives with Sal biodiesel blend as a potential alternative fuel for existing DI diesel engine	42
A comprehensive review of algal biodiesel for compression ignition engines: Challenges, advances, and future prospects	39

The effect of gas and oil prices on economic confidence: An empirical analysis for euro area	39
Effect of addition of plastic pyrolytic oil and waste cooking oil biodiesel in palm oil biodiesel–commercial diesel blends on diesel engine performance, emission, and lubricity	39
De-NO x performance of a metal monolithic substrate depending on cell density	39
Probing the environmental impacts of structural transition and demographic mobility in Africa: Does technological innovation matter?	38
Effective regeneration of deactivated Raney-Ni catalyst during multiphase hydrogenation of vegetable oil	38
Thermal convective transport energy and environmental applications for magnetised flow with parallel (non-parallel) walls movement simulation of staggered cavity	38
Does enhancing environmental regulation promote corporate green investment? Evidence from China	37
Towards sustainable initiatives: Evidence from green finance mitigating ecological footprint in East Asia and Pacific nations	36
Comparative exergy and energy assessment of a biogas plant with biological purification process: A multigeneration system	35
Exploring the heterogeneous effects of technological innovations on environmental sustainability: Do structural change, environmental policy, and biofuel energy matter for G7 economies?	33
Which clean energy contributes better for growth? – dynamic panel analysis of heterogeneous impacts of individual renewable sources on economic growth	33
Removal of Ni2+ and Zn2+ from groundwater by adsorption onto fishbone and hydroxyapatite: Effect of salinity	33
Green production practices for sustainable development: Impact of geopolitical risk, renewable energy, and foreign direct investment on environmental quality	32
Mechano-chemical conversion of rice husk ash and gasifier-derived rice husk ash into porous silicon	31
The role of finance, technology, and growth policies in shaping sustainable mineral and natural gas management: Utilizing dynamic auto-regressive distributed lag (ARDL) and frequency domain causality	31
Financing tech-driven industrialization in Africa: Resource wealth, financial structure and the rise of medium- and high-tech manufacturing	30
Greening South Asia with Financial Liberalization, Human Capital, and Militarization: Evidence from the CS-ARDL Approach	30
Beyond the turbine: Charting the ecological footprint trajectory of wind energy technology budgets	29
Carbon finance and low-carbon technological change: Evidence from China	29
Cross-quantile interdependence among future energy, metaverse, artificial intelligence, fintech, space, cyber security, and digital assets	29
Revisiting the impact of renewable energy on carbon emission in 130 countries—The mediating effect of resource rental rents and human capital	27
China's renewable energy and energy efficiency policies toward carbon neutrality: A systematic cross-sectoral review	27
Does the strengthened monitoring policy for key polluting enterprises induce China's green innovation?	27
Advanced day-ahead scheduling and management of renewable energy systems integration with hydrogen storage in the power grid	26
Dynamic analysis and influence mechanism of digital technology diffusion in the energy industry based on the evolutionary game model of complex networks	26
Performance investigation on novel combined power generation and refrigeration system	25
The effect of renewable energy and economic conditions on the environmental degradation in China	25
Can raising trade barriers curb industrial pollution emissions?	25
Do remittance and renewable energy affect CO2 emissions? An empirical evidence from selected G-20 countries	24
Corrigendum to “Green horizons: Synergized green technological innovation and green energy consumption on ecological degradation”	24
Upcycling of plastic and tire waste toward use as modifier for asphalt binder	24
The effect of Chinese-specific environmentally responsible leadership on the adoption of green innovation strategy	24
Analysis of the impact of natural resource rent, transportation infrastructure, innovation and financial development on China's carbon emission	23
Stimulating energy efficiency by low-carbon transformation: Evidence from low-carbon city pilot in China	23
Environmental policy, green trade and sustainable development in Europe: New perspective on the Porter hypothesis	21
Dynamic linkages between China’s OFDI, transport, and green economic growth: Empirical evidence from the B&R countries	21
The impact of digitalization on green economic efficiency: Empirical evidence from city-level panel data in China	21
An insight into the asymmetric effect of economic globalization on renewable energy in Australia: Evidence from the nonlinear ARDL approach and wavelet coherence	21
Numerical Optimization and Energetic Advantages of an Innovative Solar Power System Based on Scheffler Receiver Coupled with Volumetric Expanders	21
The short- and long-run causal correlation between green finance, renewable energy consumption, and economic growth	21
Exploring the heterogeneous impact of technological innovation on income inequality: Formulating the SDG policies for the BRICS-T economies	20
The future of the shale industry in light of the fluctuations in global oil prices	20
Assessment of renewable electricity adoption in sub-Saharan Africa	20
Energy and exergy analysis of the transient performance of a qanat-source heat pump using TRNSYS-MATLAB co-simulator	20
Hydrothermal pretreatment with microwaves: A new strategy for ensuring the sustainability of biorefineries	20
Energy and exergo-economic analysis of a parallel feed multi-effect system integrated with humidification–dehumidification system for brine recovery	19
Dynamic nexus between non-renewable energy consumption, economic growth and CO2 emission: A comparison analysis between major emitters	19
Insurance market development, renewable energy, and environmental quality in the UAE: Novel findings from a bootstrap ARDL test	19
The impact of broadband China and low-carbon pilot on China's urban carbon emissions	18
The potency of oleaginous yeast Lipomyces starkeyi in organic waste valorization to biodiesel	18

A new look at environmental sustainability from the lens of green policies, eco-digitalization, affluence, and urbanization: Empirical insights from BRICS economies	18
Optimization and kinetics of biodiesel production from Mesua ferrea oil using K2CO3 imbued on alumina nanocatalyst	18
Wind speed and wind power forecasting models	18
Green energy efficiency improvement under the interaction between innovation and agglomeration of producer services in China	18
Impact of interaction between financial development, urbanization, and energy consumption in China	18
Analysis of microplastics distributed in the environment: Case studies in South Korea	18
The effect of gender gap in labor market participation on carbon emission efficiency: State-level empirical evidence from the US	17
Artificial intelligence for sustainable energy: Mitigating global energy vulnerability through government effectiveness	17
Contested renewable energy sites due to landscape and socio-ecological barriers: Comparison of wind and solar power installation cases in Japan	17
Beyond renewables: The role of financial systems, green innovation, and energy efficiency in mitigating emissions in small advanced economies	17
Experimental modulation of electrochemical energy storage characteristics of cobalt metal-organic framework-based electrode materials via organic linker variance	17
Crude oil price volatility—An unintended consequence of carbon pricing: Evidence from transfer entropy and wavelet-partial wavelet coherence analyses	17
Environmental regulation and de-zombified governance of heavy polluting enterprises: Quasi-natural experiment of the China's New Environmental Protection Law	17
Evaluating the waste management greenhouse gas emissions effects of domestic material biomass and raw material productivity consumption in Denmark	17
Enhancement of biodiesel production using magnetic nanocatalyst CrFe 2 O 4 from mixed waste cooking oil by an empirical model	17
How renewable and nuclear energy-related research and development expenditures pave the way for curbing carbon emissions in France?	17
Understanding the complex dynamics of climate change in BRICS countries: Analyzing the COP26 and COP27 agendas	17
How solar-based renewable energy contributes to CO2 emissions abatement? Sustainable environment policy implications for solar industry	16
Hybrid Photovoltaic/Thermal (PVT) Collector Systems With Different Absorber Configurations For Thermal Management – A Review	16
Evaluation of European Union carbon and energy networks: Evidence from market efficiency	16
Pathways for China's sustainable energy transition: Examining the effects of exchange rate volatility on renewable energy investment	16
How can new energy vehicles affect air quality in China?— From the perspective of crude oil price	15
Comprehensive exergy, exergoeconomic, exergoenvironmental and energy audit assessment in a textile factory	15
The impact of foreign direct investment on China's carbon emission efficiency through energy intensity and low-carbon city pilot policy	15
Decarbonization through sustainable energy technologies: Asymmetric evidence from 20 most innovative nations across the globe	15
Physical characterization of agar-based biodegradable films derived from nonhazardous laboratory waste	15
Dynamic 6E analysis of a novel power and freshwater production based on integration of combined cycle power plant-MED-TVC-RO-STC-ORC systems	15
Reduce carbon emissions efficiently: The influencing factors and decoupling relationships of carbon emission from high-energy consumption and high-emission industries in China	15
Behavioural interventions yield electricity savings among high-income households in Johannesburg, South Africa	15
Unraveling uncertainty spillovers: Climate policy's role in global economic, energy and geopolitical landscapes	14
Does the digital economy reduce carbon emissions? The role of technological innovation and trade openness	14
Asymmetric linkages between pandemic uncertainty and environmental quality: Evidence from emerging economies	14
Environmental impact of fiscal decentralization, green technology innovation and institution’s efficiency in developed countries using advance panel modelling	14
Transportation taxes and CO2 emissions nexus in BCIST economies: Implication for environmental sustainability	14
Community perspectives on natural gas management in Tanzania	14
Review of electric vehicle (EV) charging using renewable solar photovoltaic (PV) nano grid	14
Development of soft eutectic phase change material modified with expanded graphite for thermal energy storage and human comfort applications	14
The effects of oxygen index on soot formation of ethylene, propane and their mixtures in coflow diffusion flames	14
Environmental sustainability in Asian countries: Understanding the criticality of economic growth, industrialization, tourism import, and energy use	14
Collaborative governance: The role of common institutional ownership in corporate environmental information disclosure	14
Mode selection strategy of energy performance contracting under the regulation of carbon tax policy	14
Design islanded hybrid micro-grid and analyzing its socio-economic technical and environmental aspects for off-grid electrification in developing countries	14
Green growth through green production practices: The moderating role of stringent environmental policies in G8 countries	14
The effect of dispersant characteristics on the De-NOx efficiency of SCR catalyst	14
Analysis of barriers affecting the adoption of community solar from consumer's perspective: A hybrid ISM-DEMATEL approach	14
Reshaping sustainability through climate attention, financial regulations, and energy policy	14
Navigating the asymmetric influence of financial inclusion on environmental sustainability: Dynamic role of energy consumption and human capital	13
Role of eco-innovation and financial globalization on ecological quality in China: A wavelet analysis	13
A hybrid technique for grid-connected solar–wind hybrid system with electric vehicles	13
Experimental Study of Increase of Biogas Production from Lagoon Station's Sludge by Alkaline Pretreatment	13
Economic growth, environmental regulations, energy use, and ecological footprint linkage in the Next-11 countries: Implications for environmental sustainability	13
A hybrid machine learning approach for forecasting residential electricity consumption: A case study in Singapore	13
Unveiling the asymmetric energy-growth nexus in top oil-importing and exporting countries: The common correlated effects approach	13
Determinants of firm-level energy productivity – Evidence from the Korean emission trading scheme	13
A novel power conversion structure for grid-connected photovoltaic applications based on MLI and LeBlanc transformer using IRSA technique	13
A hybrid WFS-CGO based approach for optimal allocation of EV charging spots along with capacitors in smart distribution network for congestion management	13
Constructing a predicting model for ecological footprint in G20 countries through artificial neural network	12
Decomposition analysis of China's chemical sector energy-related CO2 emissions: From an extended SDA approach perspective	12
Single or combined tax? A comparative study of the effects of resource and carbon taxes under China's peak emission target	12
Experimental investigation on combustion and emission characteristics of diesel methanol dual fuel (DMDF) engine at various altitudes	12
Impact of renewable energy expansion policies on the economy, income distribution, and air pollution reduction	12
Dynamic relationship between resource endowment, financial agglomeration, innovation-driven, and green total factor productivity	12
Quantifying the influence of natural resources rent, financial development, and institutional quality on energy security risk	12
How can corporate social responsibility predict voluntary pro-environmental behaviors?	12
How can we make an orderly transition away from fossil fuels? A global tour of modern energy	12
Gas market integration in South America: The role of Argentine gas to reduce the regional exposure to liquefied natural gas imports	11
The impacts of economic growth, foreign direct investment inflows, and energy usage on air pollution through globalization in China: A vector error correction model approach	11
Do tourism and CO 2 emission predict technological innovation in developing countries: Examining Porter and innovative Claudia curve hypothesis	11
Solvent-based recovery of acrylate polymer from display film waste	11
Renewable energy taxes and environmental impacts: A critical reflection from the wind tax in Spain	11
Unraveling the impact of financial stress and trade policy uncertainty on advancing renewable energy transition in the USA	11
Linking corporate social responsibility and energy poverty: An environmental sustainability paradigm	11
Novel FTIR and visible infrared imaging assessment of binary biofuel stability and abated NOx for clean environment assisting energy approach	11
CO2 hydrogenation over cubic yttrium oxide support: Effect of metal type	11
Investigating environmental regulation effects on technological innovation: A meta-regression analysis	11
Analysis of vibrations in a diesel engine produced by Jatropha biodiesel using heterogeneous catalyst	11
Energy, exergy, environment and techno-economic analysis of parabolic trough collector: A comprehensive review	11
Transmission mechanism of public concern in waste-sorting policy: Evidence from text mining	11
Simulating conversations with nature: The effects of an environment-anthropomorphic chatbot on climate attitudes and intentions	10
Has urbanization contributed to an increase in haze pollution?	10

Optimized heterogeneous bi-directional recurrent neural network for early leaf disease detection and pesticides recommendation system	10
The effect of renewable energy consumption on economic growth in KSA: A bootstrap causality test	10
Does environmental pollution weaken the positive effect of government public expenditure on residents’ subjective well-being? A case study in China	10
The nexus between financial development and energy consumption: Estimating the role of foreign direct investment, economic growth and urbanization	10
Unveiling the influence of industrial growth, urbanization, transport infrastructure investment on environment and growth sustainability in top five densely populated countries in Asia	10
Does circularity mean energy transition and energy security? novel evidence from European countries	10
Research on the impact of financial development in different regions on the decoupling of carbon emissions from economic growth	10
An experimental evaluation of cetane improving techniques for enhancing the performance and emission trade-off in diesel engine: A comparative study	10
CO2 mitigation, energy matrices, and the performance analysis of N-evacuated tube collector (ETC)-integrated modified solar distiller for water/electricity co-generation using CQD nanoparti	10
A cost-effective room temperature alkali pretreatment method for enhanced bioethanol production from rice straw	10
Do resource efficiency and energy productivity matter for environmental sustainability in G7 ?	10
Removal of hydrochlorothiazide from drinking and environmental water: Hydrolysis, direct and indirect photolysis	10
Impact of geopolitical and energy security risks on energy consumption patterns	10
Comparative analysis of triboelectric behavior of natural waste biomaterials and green energy harvesting	10
The PM2.5 pollution rebound effect and industrial structure adjustment in China: The impact of heterogeneous technological progress and resource dependence	9
A hybrid technique for optimal power quality enhancement in grid-connected photovoltaic interleaved inverter	9
Optimization path of green credit to energy consumption structure: A symbiotic development perspective of resource-based and non-resource-based industries	9
Oil upgrading via desulfurization process using a new composite nano-alkaline-iron oxide over titanium oxide catalysts	9
The role of information and communication technologies in achieving hydropower sustainability: Evidence from European Union economies	9
Spatial analysis of carbon emission effect of financial development in Africa: The role of energy and socioeconomic factors	9
Quantitative research on the text of the dual carbon policy system—A three-dimensional analysis framework	9
Energy efficiency cycle and the export-oriented economic growth style in China	9
Techno-economic feasibility analysis of grid-connected residential PV systems in Algeria	9
Enhanced honey badger optimization of performance analysis of evacuated tube heat pipe solar collector integrated with PCM storage unit	9
Pathway to sustainable consumption and production: The role of climate-related development finance, digitalization, and financial development on material productivity and energy intensity of developin	9
Energy consumption optimization for sustainable flexible robotic cells: Proposing exact and metaheuristic methods	9
The asymmetric and long-run effect of demand-based CO 2 emissions productivity on production-based CO 2 emissions in the UK	9
Enhanced Copper(II) bioremediation using Sargassum duplicatum derived biochar from various water sources	9
Environmental risk of Covid-19 recovery	9
Does artificial intelligence improve energy productivity in China's industrial sector? Empirical evidence based on the spatial moderation model	9
Examining the crucial societal incentive approaches and their impact mechanisms to enhance the purchase intention of carbon-labeled products: A conjoined application of PLS-SEM and NCA methodologies	8
Assessing Indian Point’s Electricity Generation Through Renewable Energy Pathways: A Technical and Economic Analysis	8
Can green credit inhibit regional carbon emissions? evidence from China	8
Digitalization's role in shaping climate change, renewable energy, and technological innovation for achieving sustainable development in top Asian countries	8
Reinvestigate the significance of STRIPAT and extended STRIPAT: An inclusion of renewable energy and trade for gulf council countries	8
Alternative pathways to CO2 reduction in Gansu province, China	8
How do renewable energy consumption, financial development, and technical efficiency change cause ecological sustainability in European Union countries?	8
Does intellectual property protection improve energy efficiency? Evidence from the impact of intellectual property income on energy intensity	8
Heterogeneous public attitudes toward high-voltage power transmission lines and willingness to pay for undergrounding projects	8
Analyzing regional disparities and spatial distribution dynamics of energy consumption levels in China	8
A new look at asymmetric effect of oil price changes on inflation: Evidence from Malaysia	8
Fiscal support and carbon productivity of agriculture—Empirical evidence from China	8
Moving toward sustainable environment: The effects of hydropower industry on water quality in EU economies	8
Re‐examining the impact of global foreign direct investment (FDI) inflows on haze pollution—considering the moderating mechanism of environmental regulation	8
The role of e-commerce demonstration zones in carbon emission reduction: Harmonizing economy and environment	8
The dynamic relationship between military expenditure, environmental pollution, and economic growth in G7 countries: A wavelet analysis approach	8
Will the National Big Data Comprehensive Pilot Zone improve total factor productivity of enterprises?	8
Impact of internet development on transportation carbon emissions: Evidence from China	8
Prioritizing factors for the sustainable growth of Vietnam's solar photovoltaic power market	8
Matching analysis of new energy vehicle charging demand and charging infrastructure power supply capacity: A case study of China's capital Beijing	8
Multi-agent behavior strategy game and evolutionary simulation analysis under environmental regulation	8
Unearthing the pressures: An assessment of the sustainability focus and supply chain management practices adopted by global oil and gas titans	8
Optimal sizing and optimization of financial cost for EVs using SPOA-RBFNN technique	8
SDGs and fictional energy utopias: Gauging sustainable energy transitions against Ecotopia (1975) and The Ministry for the Future (2020)	8
Analyzing the linkage between public debt, renewable electricity output, and CO2 emissions in emerging economies: Does the N-shaped environmental Kuznets curve exist?	7
Charging infrastructure facilitate a large-scale Introduction of electric vehicle in urban areas using hybrid technique: A RBFNN-SPOA approach	7
Exploring the potential of Ti 3+ in TiO 2 through experimental analysis and response surface methodology: Photocatalytic degradati	7
Risk management of e-waste disposal in China: A life cycle perspective	7
The environmental repercussions of financial development and green energy in BRICS economies: From the perspective of new composite indices	7
Public perception of oilfield produced water: The case of California's Central Valley	7
Optimal sizing and energy management of a stand-alone photovoltaic/pumped storage hydropower/battery hybrid system using Genetic Algorithm for reducing cost and increasing reliability	7
Have the pilot carbon markets achieved synergistic control of carbon abatement and pollution reduction? The quasi-experimental evidence from China	7
Environmental dynamics in the international trade of Spanish wine protected designations of origin (PDOs)	7
Can China's trade and investment facilitate renewable energy consumption in Africa?	7
Consolidated nuclear waste storage in Andrews, Texas: An integrated technical and policy risk analysis	7
Driving sustainability: The nexus of financial development, economic globalization, and renewable energy in fostering a greener future	7
Biomass-based activated carbon for CO2 adsorption–A review	7
Disentangling the effects of nonrenewable energy consumption on CO2 emissions in Canada: The moderating role of construction and manufacturing	7
From brown to green: Are emerging countries moving in right direction? Testing the validity of LCC hypothesis	7
Powering Africa's sustainable future: The role of cross-border electricity trade on renewable electricity generation	7
Does green finance really have anything to do with carbon emissions? An analysis from a global perspective	7
Photovoltaic tracking technologies for sustainable electrification: A techno-economic analysis on Western Pelee Island, Canada	7
Do institutional quality and military expenditure of G20 countries affect green investments?	7
Marine spatial planning identifies solutions for offshore wind farms at fishery and environment in Taiwan territorial waters	7
Influence analysis and low carbon evaluation of 3D sand printing process parameters on efficiency, resource consumption, and carbon emission	6
Geothermal energy and carbon emissions nexus in leading geothermal-consuming nations: Evidence from nonparametric analysis	6
An Italian case study of life cycle assessment for a drinking water dispenser	6
Assessing the linkages among tourism industry, economic output, energy consumption, and environmental quality	6
Export diversification and disaggregate energy consumption in BRICS economies: Does environmental degradation matter?	6
Nanocrystal cellulose from diverse biological sources: Application and innovations	6
What determines household cooking fuel preferences? Empirical evidence from South Korea	6
Amine-Ionic Liquid Blends in CO2 Capture Process for Sustainable Energy and Environment	6
Analyzing the mechanism between nuclear energy consumption and carbon emissions: Fresh insights from novel bootstrap rolling-window approach	6
Can the Financial Industry ‘Anchor’ Carbon Emission Reductions?— The Mediating and Moderating Effects of the Technology Market	6
Ineffectiveness of carbon cap-and-trade market	6
Spatial spillover effect of environmental regulation on environmental efficiency of electric power industry in China	6
Does the carbon emissions trading scheme improve the corporate environmental information disclosure level? Evidence from China	6
Viability and life cycle assessment of Fuller's Earth as a low-cost adsorbent for zinc removal from aqueous solutions: Operating parameters, removal mechanisms and environmental impacts	6
The ecological accountability reform and corporate investment efficiency: Evidence from a policy shock	6
Treatment after Pollution?	6
Optimal energy management in smart grid with internet of things using hybrid technique	6
Air pollution and daily public transportation ridership: The case of Seoul city	6
Decoupling and driving analysis of carbon emissions in China: Evidence from five national-level urban agglomerations	6
Role of Environmental Policy Stringency on Sectoral CO2 Emissions in EU-5 Countries: Disaggregated Level Evidence by Novel Quantile-Based Approaches	6
Nonlinear effects of urbanization routes (proportion of small cities, and proportion of large cities) on environmental degradation, evidence from China, India, Indonesia, the United States, and Brazil	6