| Global NEST Journal

Exploring the Effects of Organic Carbon and Nitrogen on Biomass and Lipid Synthesis in Brackish Water Cyanobacteria: A Study on Sustainable Biofuel Production

by Jambulingam Ranjitha Sivaraman Chandhinipriya

Hydrology and Water Resources Management

This work is mainly focused on the enhancement of biomass and lipid productivity of the cyanobacterial strains isolated from seawater to produce biodiesel. Initially, Seawater was collected, cultured, and analyzed to isolate cyanobacterial strains. The isolated cyanobacterial species were analyzed...

Saline water carbon +4 more

Study on the Selection of Recycling Channels for Authorized Remanufacturing Models under Carbon Allowance

by Cui Zishan Wang Jiuhe

Solid Waste Management

To analyze the impact of allocation methods of carbon allowances on the choice of recycling channels for original manufacturers under the authorized remanufacturing model. A Stackelberg game model of original manufacturer recycling and remanufacturer recycling under the grandfathering rule and...

Carbon allowance Authorized remanufacturing +2 more

Evaporation, fractional crystallization, and reverse ion exchange variables governing the chemistry of the groundwater in Al-Wajh Region, Saudi Arabia

by AlSuhaimi Awadh Alsehli Bandar Owidah Zeid Mihdar yassin Al-Ghamdi Khalaf Alshehri Reem Alalwai Sami Almalky Manal AlHarbi Sultan Hussein Belal

Hydrology and Water Resources Management

Groundwater is a valuable water resource in Saudi Arabia due to the scarcity of sustainable/renewable water sources. Therefore, the systematic and continuous monitoring of groundwater is essential to ensure its effective and sustainable management. This aligns closely with the objectives of the...

Al-Wajh groundwater quality +1 more

Enzyme-Enhanced CO₂ Capture in Carbonate Solution Using Hollow Fiber Membrane Contactors: A Novel Numerical Approach

by Khelifi Mohamed Nadir Saouli Ouacil Boutamine Zineb

Climate change

Due to the widespread use of fossil fuels, atmospheric levels of carbon dioxide (CO₂), a major contributor to climate change, have increased dramatically. Through the simulation of a two-dimensional (2D), bovine carbonic anhydrase (bCA)-mediated mechanism, this work presents a novel approach method...

Biocatalyst Carbonate solution +4 more

Machine Learning based Random Forest Algorithm for Prediction of Soil Organic Carbon Decompositions

by Arul Pushpa Arthi Jeyapaul Satish Kumar

Environmental management and policy

The Kanyakumari District was selected as a study area due to its diverse flora and favorable climate and soil conditions. Various remote sensing parameters were derived from Landsat 8 and 9 satellite data, including NDVI, BSI, NDMI, NDWI, and SAVI. Moreover, data on land use and land cover (LULC)...

Upregulate Soil Health and Wheat Yield: Conversion of Organic Waste into Bio-activated Zn-Enriched Compost for Deficient Soils

by Naeem Muhammad Iqbal Zafar Hussain Azhar Jamil Moazzam Ahmad Hafiz Tanvir Ismail Ahmed Mahmoud El-Mogy Mohamed El Ganainy Sherif El-Beltagi Hossam Hadid Maha Loutfi

Solid Waste Management

Soil zinc (Zn) deficiency is a major constraint limiting wheat productivity and nutritional quality, particularly in degraded agricultural lands. Sustainable organic waste management through composting presents an eco-friendly approach to enhancing soil health while mitigating environmental...

compost organic matter +3 more

Assessing the impact of inbound tourism on carbon emissions: Evidence from the Belt and Road Initiative countries

by Ma Wei Ma Xiayi Zhuang Daoyuan Shi Xiangchen Gao Yue

Issue 6

Environmental management and policy

As an important vehicle for implementing the Belt and Road Initiative (BRI), inbound tourism not only promotes economic growth among participating countries but also plays a significant role in optimizing the flow of production factors and enhancing green low-carbon cooperation. Based on the panel...

inbound tourism carbon emissions +2 more

Has digital policy improved urban carbon emission efficiency? Quasi-natural experiment based on national big data comprehensive pilot zone

by Wang Lianghu Shao Jun

Issue 5

Environmental management and policy

In the context of the current technological revolution and industrial transformation, the digital economy has emerged as a strategic imperative. It is essential to investigate the influence of digital policies on urban carbon emission efficiency and to elucidate the underlying mechanisms. Such...

Carbon Mitigation Potential of Banana Crops Biomass and Biochar in Tropical Semi-Arid Region of India.

by Vijayprakash Murugesan Rajagopalan Varadarajan Keerthivasan Navaneethakrishnan

Climate change

The standing plant biomass that remains after harvesting bananas is the Above Ground Biomass (AGB); these residues have great carbon sequestration (CS) potential. This study quantifies the AGB yield of the Poovan (Musa acuminata) plant in semi-arid Tamil Nadu, India through novel modified non...

Agricultural residue Allometric models +4 more

Enhancement of Advanced Oxidation Processes in Oil Refinery Wastewater Treatment Using Deep Neural Networks

by Dhivakar Manikandan Velusamy Karthik

Issue 5

Water and wastewater treatment and reuse

The complex composition of persistent and resistant contaminants in oil refinery wastewater presents a significant environmental challenge that conventional treatment methods frequently fail to effectively address. Advanced Oxidation Processes (AOPs), specifically the photo-Fenton method, and a deep...

Advanced oxidation process (AOPs). Deep learning +4 more

Optimization of Fuel Injection Timing and Pressure in CI Engines Using Waste Cooking Oil Biodiesel with Response Surface Methodology

by Saminathan Sathiskumar E.B. Priyanka Priyanka

Issue 6

Solid Waste Management

The global automotive industry is under mounting pressure to adopt highly efficient, low-emission engine technologies due to stringent regulations and increasing environmental awareness. In response, researchers are exploring alternative fuels, such as biodiesel, to enhance energy independence and...

Fuel injection timing Waste Cooking Oil +4 more

Does digital finance help reduce the marginal carbon abatement cost? Evidence from Chinese cities

by Liu Min Hu Jiangfeng

Issue 5

Environmental management and policy

The carbon abatement effects of digital finance (DF) have been widely studied, but existing studies have neglected its impact on the marginal carbon abatement cost (CMAC). The paper uses the SBM model to measure the CMAC of 264 cities in China for 2011-2021 and then constructs a two-way fixed...

Industrial Carbon Emission Efficiency in Chinese Cities: Spatial Correlation Networks, Regional Differences and Driving Factors

by Yan Xinlin Sun Tao

Environmental management and policy

Abstract: Green and sustainable development of industry has gradually become an essential factor for economic development, effective improvement of industrial carbon emission efficiency (ICEE) has a contributing role in realizing industrial carbon emission reduction and sustainable economic...

Industry carbon emission efficiency; The YRD urban agglomeration; Super-SBM model; Social network analysis; Block model; QAP model

Green Transition and Climate Adaptation: Empirical Evidence of Corporate Resilience in the Low-Carbon Economy

by Hou Zhiwen Liu Jingrui Pang Jiayi

Issue 6

Climate change

As global climate change and management challenges grow, the low-carbon transition has become crucial for the sustainable development of enterprises. This study investigates the economic impact of corporate low-carbon behavior on operational performance using panel data from 2008 to 2022 for...

Green and Low-Carbon Emission Green transformation +2 more

Activated carbon from waste date palm fronds: A sustainable green heterogeneous catalyst for biodiesel synthesis

by Alsaiari Raiedhah

Issue 5

Circular Economy and Bioeconomy

Biodiesel is thought to be more environmentally benign than fuels derived from petroleum, as well as less expensive and able to provide greener energy, all of which have favorably impacted the bioeconomy. Utilizing heterogeneous activated carbon catalysts to produce eco-friendly biodiesel from dried...

Study on the Impact of New Energy Vehicles on Urban Air Quality

by Li Jing Li Yan Yu Na Wang Xinming Han Xiuyan

Issue 6

Air pollution and health

Abstract：This study aims to assess the impact of the new energy vehicle industry on urban air quality in China, focusing on the spatial and temporal variation of PM2.5 concentrations. Based on panel data from 286 prefecture-level cities in China from 2013 to 2022, an analytical framework is...

new energy vehicles Urban Air Quality +2 more

Navigating the Carbon Crossroads: Climate Transition Risk and Carbon Emission Efficiency in China's Energy Enterprises

by Wu Yixi Zhao Kunjian Lei Xue

Issue 5

Climate change

Climate change acceleration and intensifying global carbon reduction efforts have created an urgent need to understand how climate transition risks affect carbon emission efficiency in energy enterprises. Our study breaks new ground by developing climate risk indicators through machine learning and...

Climate transition risk Carbon emission efficiency +3 more

Research on Carbon Emission Peaks in Large Energy Production Region in China —Based on the Open STIRPAT Model

by Wang Zhiqiang Wu Qinglong Ma Shenglin

Issue 5

Environmental management and policy

The interdependence between different regions within a country has an important impact on the prediction of regional carbon emission peaks. In this paper, taking Shanxi Province, a large energy producing region in China, as an example, we select the driving factors to construct an open STIRPAT model...

open STIRPAT model，carbon peaking，forecasting， scenario analysis approach

Improving the energy efficiency and carbon dioxide reduction of a long-haul bus through aerodynamic design optimization

by Sunil S. Arunachalam K.

Issue 5

Climate change

Exhaustion of fossil fuel resources, inconsistent fuel costs and the difficulty of adopting electric vehicle technology in commercial vehicles support the idea that there is an opportunity for research in public transit regarding the correlation between energy efficiency and aerodynamic drag. The...

Aerodynamic drag Carbon dioxide emissions +3 more

Environmental emission characteristics of diesel engine performance using biodiesel by cotton and pumpkin seed

by Sivakumar A. Subbarayan M.R. Sankarapandian S. Seenivasan M.

Issue 5

Air pollution and health

The hunt for alternative fuels that may be utilized in place of conventional fuels is intensifying quickly since the availability of fossil fuels is dwindling daily. In this work, biodiesel derived from pumpkin and cotton seed oils is presented for use as diesel engine fuel. Related to diesel, the...

Biodiesel Cotton Seed Oil +2 more

An Encompassing of two Biofuel – Diesel Blend’s in D.I. Diesel Engine for Reduced Air Pollution Emission

by Anandavelu K. Viswanath K.

Issue 5

Air pollution and health

The study explores the usage of Diesel Fuel (DF) blends in conjunction with two biofuels, eucalyptus and turpentine oil, in diesel engines to address the reduction of air pollutants such as Carbon Monoxide (CO), Nitrogen Oxides (NOX), Unburned Hydrocarbons (UBHC), and smoke density. Results indicate...

air pollution Turpentine oil +3 more

Elimination of nickel and chromium(VI) ions from industerial wastewater by electrodialysis/characteristics/impact of parameters

by Abdipour Hossein Kamani Hossein Hosseinzehi Mehrnaz seyf Mohammad Moein Hossein Moradian Haft Cheshmeh Zeynab

Issue 6

Water and wastewater treatment and reuse

Healthy water is a concern for the world due to rapid population growth and technological advancement. The entry of heavy metals into water as a result of various activities causes water pollution that has persistent effects. In this study, a specially designed electrodialysis cell was used to...

Electrodialysis VI +5 more

Comparative Assessment of Amine-Based Absorption and Calcium Looping Techniques for Optimizing Energy Efficiency in Post-Combustion Carbon Capture

by

Ratchagaraja Dhairiyasamy et al. View all

Issue 5

Climate change

The escalating levels of atmospheric CO2 have underscored the necessity for developing effective carbon capture and storage (CCS) technologies. This study investigates the advancements in post-combustion CO2 capture technologies, specifically examining the efficiency of amine-based absorption and...

Environment friendly sustainable concrete produced from marble waste powder

by Rajesh Alex Prasanthni P. Senthilkumar S. Priya B.

Issue 5

Environmental management and policy

Concrete is an indispensable construction material renowned for its versatility and durability, yet its traditional components pose significant environmental challenges. The cement industry is a major emitter of CO2, while the extensive extraction of natural aggregates depletes finite resources. In...

MWP Marble Waste Powder +5 more

Study on the Initial Allocation of Carbon Emission Rights Applicable to China's National Conditions: from the Perspective of Comprehensive Principles

by

An Xingcai et al. View all

Issue 5

Climate change

The scientific and reasonable allocation of initial carbon emission rights is the foundation of establishing and perfecting the carbon trading system, which is directly associated with the completion of carbon emission reduction targets. Guided by the rational distribution of China's carbon emission...