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- Adsorption (4)
- Biochar (4)
- Pyrolysis (3)
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- Glucose (2)
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- Tetracycline (2)
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- 3D macrostructures (1)
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- Advanced oxidation processes (1)
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- Artificial neuron net-works (1)
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- Asphalt binder (1)
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- Bio-asphalt (1)
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- Bio-hydrogen production (1)
- Biochemistry (1)
- Biohydrogen (BioH2) (1)
- Biosynthesis (1)
- Blue carbon (1)
- Carbon accounting (1)
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Articles 1 - 20 of 20
Full-Text Articles in Entire DC Network
What Goes In And What Comes Out: A Scoping Review Of Regenerative Agricultural Practices, Rebecca Voisin, Pierre Horwitz, Stephanie Godrich, Ros Sambell, Katherine Cullerton, Amanda Devine
What Goes In And What Comes Out: A Scoping Review Of Regenerative Agricultural Practices, Rebecca Voisin, Pierre Horwitz, Stephanie Godrich, Ros Sambell, Katherine Cullerton, Amanda Devine
Research outputs 2022 to 2026
This scoping review examined peer-reviewed and gray literature to explore what a “no-to-low external input” statement means for regenerative agriculture. Five organic amendment inputs (compost extract, manure, mulch, biochar, food systems waste) and four land management processes (livestock management and integration, crop diversity, tillage reduction, comprehensive approach) were identified. Findings include “no-to-low external input” models arising from processes which function to displace external inputs (e.g., synthetic fertilizer). Organic amendment inputs and regenerative land management processes promote biology and improve nutrient cycling at soil, farm, and landscape scales. Regenerative agriculture overlaps with other farming practices including those associated with agroecology and …
Impact Of Methylene Blue On Enhancing The Hydrocarbon Potential Of Early Cambrian Khewra Sandstone Formation From The Potwar Basin, Pakistan, Muhammad Ali, Abdul M. Shar, Nurudeen Yekeen, Hussein Abid, Muhammad S. Kamal, Hussein Hoteit
Impact Of Methylene Blue On Enhancing The Hydrocarbon Potential Of Early Cambrian Khewra Sandstone Formation From The Potwar Basin, Pakistan, Muhammad Ali, Abdul M. Shar, Nurudeen Yekeen, Hussein Abid, Muhammad S. Kamal, Hussein Hoteit
Research outputs 2022 to 2026
Significant amounts of hydrocarbon resources are left behind after primary and secondary recovery processes, necessitating the application of enhanced oil recovery (EOR) techniques for improving the recovery of trapped oil from subsurface formations. In this respect, the wettability of the rock is crucial in assessing the recovery and sweep efficiency of trapped oil. The subsurface reservoirs are inherently contaminated with organic acids, which renders them hydrophobic. Recent research has revealed the significant impacts of nanofluids, surfactants, and methyl orange on altering the wettability of organic-acid-contaminated subsurface formations into the water-wet state. This suggests that the toxic dye methylene blue (MB), …
Physical-Vapor-Deposited Metal Oxide Thin Films For Ph Sensing Applications: Last Decade Of Research Progress, Mohammad Nur-E-Alam, Devendra K. Maurya, Boon K. Yap, Armin Rajabi, Camellia Doroody, Hassan B. Mohamed, Mayeen U. Khandaker, Mohammad A. Islam, Sieh K. Tiong
Physical-Vapor-Deposited Metal Oxide Thin Films For Ph Sensing Applications: Last Decade Of Research Progress, Mohammad Nur-E-Alam, Devendra K. Maurya, Boon K. Yap, Armin Rajabi, Camellia Doroody, Hassan B. Mohamed, Mayeen U. Khandaker, Mohammad A. Islam, Sieh K. Tiong
Research outputs 2022 to 2026
In the last several decades, metal oxide thin films have attracted significant attention for the development of various existing and emerging technological applications, including pH sensors. The mandate for consistent and precise pH sensing techniques has been increasing across various fields, including environmental monitoring, biotechnology, food and agricultural industries, and medical diagnostics. Metal oxide thin films grown using physical vapor deposition (PVD) with precise control over film thickness, composition, and morphology are beneficial for pH sensing applications such as enhancing pH sensitivity and stability, quicker response, repeatability, and compatibility with miniaturization. Various PVD techniques, including sputtering, evaporation, and ion beam …
A Review On N-Doped Biochar For Oxidative Degradation Of Organic Contaminants In Wastewater By Persulfate Activation, Yaxuan Gao, Wenran Gao, Haonan Zhu, Haoran Chen, Shanshan Yan, Ming Zhao, Hongqi Sun, Junjie Zhang, Shu Zhang
A Review On N-Doped Biochar For Oxidative Degradation Of Organic Contaminants In Wastewater By Persulfate Activation, Yaxuan Gao, Wenran Gao, Haonan Zhu, Haoran Chen, Shanshan Yan, Ming Zhao, Hongqi Sun, Junjie Zhang, Shu Zhang
Research outputs 2022 to 2026
The Persulfate-based advanced oxidation process is the most efficient and commonly used technology to remove organic contaminants in wastewater. Due to the large surface area, unique electronic properties, abundant N functional groups, cost-effectiveness, and environmental friendliness, N-doped biochars (NBCs) are widely used as catalysts for persulfate activation. This review focuses on the NBC for oxidative degradation of organics-contaminated wastewater. Firstly, the preparation and modification methods of NBCs were reviewed. Then the catalytic performance of NBCs and modified NBCs on the oxidation degradation of organic contaminants were discussed with an emphasis on the degradation mechanism. We further summarized the detection technologies …
Preparation Of N-, O-, And S-Tri-Doped Biochar Through One-Pot Pyrolysis Of Poplar And Urea Formaldehyde And Its Enhanced Removal Of Tetracycline From Wastewater, Wenran Gao, Zixiang Lin, Shanshan Yan, Yaxuan Gao, Hong Zhang, Xun Hu, Hongqi Sun, Shu Zhang
Preparation Of N-, O-, And S-Tri-Doped Biochar Through One-Pot Pyrolysis Of Poplar And Urea Formaldehyde And Its Enhanced Removal Of Tetracycline From Wastewater, Wenran Gao, Zixiang Lin, Shanshan Yan, Yaxuan Gao, Hong Zhang, Xun Hu, Hongqi Sun, Shu Zhang
Research outputs 2022 to 2026
In this study, biochar was prepared via hybrid doping of N, O, and S by applying one-pot pyrolysis of poplar wood and S-containing urea formaldehyde at 900 °C. Different doping ratios were adopted, and the contents of O, N, and S were in the ranges of 2.78 – 5.56 %, 2.16 – 4.92 %, and 1.42 – 4.98 %, respectively. This hybrid doping significantly enhanced the efficiency of the removal of tetracycline (40 mg/L) from wastewater to 71.84 % in comparison with that attained by using normal poplar biochar (29.45 %). The adsorption kinetics and isotherms indicated that the adsorption …
Applications Of Technology And Innovation For A Sustainable Future, Veeriah Jegatheesan, Li Shu, Taku Fujiwara, Edita Baltrėnaitė-Gedienė
Applications Of Technology And Innovation For A Sustainable Future, Veeriah Jegatheesan, Li Shu, Taku Fujiwara, Edita Baltrėnaitė-Gedienė
Research outputs 2022 to 2026
Sustainable future depends on ways in which we keep upgrading our living style. The goals and targets set by Sustainable Development Goals will definitely help us to protect all types of ecosystems and their biodiversity. Still, much more complementary advances in technology and innovation and their applications are essential in realising realizing a sustainable future. The aims and scope of Environmental Technology & Innovation is well geared to contribute to such ambition. Thus, this virtual special issue (VSI) contains 23 articles from the presentations made at the international conference on the Challenges in Environmental Science and Engineering, CESE-2021. A brief …
Effect Of Biochar On Desiccation Of Marine Soils Under Constant And Cyclic Temperatures, Thellen Kumar Puspanathan, Vihan Shenal Jayawardane, Suvash Chandra Paul, Kong Sih Ying, Sanjay Kumar Shukla, Vivi Anggraini
Effect Of Biochar On Desiccation Of Marine Soils Under Constant And Cyclic Temperatures, Thellen Kumar Puspanathan, Vihan Shenal Jayawardane, Suvash Chandra Paul, Kong Sih Ying, Sanjay Kumar Shukla, Vivi Anggraini
Research outputs 2022 to 2026
Biochar has recently been gaining increasing attention as a stable and sustainable soil amendment material. However, the effect of biochar amendment on the desiccation behaviour of coastal soils has not yet been examined. Consequently, the present study primarily investigated the effect of exposing biochar-amended marine soil (BAS) to constant and cyclic temperatures on its swell–shrink, evaporation and desiccation cracking characteristics. Biochar contents of 1%, 2%, 4% and particle size ranges of PS-1 (600 μm < D ≤ 2000 μm), PS-2 (300 μm < D ≤ 600 μm), PS-3 (D ≤ 75 μm) (D: biochar particle diameter) were employed. It was revealed that the absolute volumetric shrinkage of both unamended and biochar-amended specimens increased as the number of thermal cycles increased. Under continuous heat exposure, 4% (PS-3) BAS in compacted state achieved the maximum reduction in volumetric shrinkage which was 42%. Moreover, under continuous heat exposure, 2% (PS-1) BAS in slurry state achieved the highest reduction in desiccation cracking, which was 73%. The present study highlights the importance of identifying the most effective combination of biochar content and particle size required to achieve a desired outcome, in order to gain the maximum benefit of biochar as an amendment material at the lowest possible cost.
Date-Leaf Carbon Particles For Green Enhanced Oil Recovery, Bashirul Haq, Md Abdul Aziz, Dhafer Al Shehri, Nasiru Salahu Muhammed, Shaik Inayath Basha, Abbas Saeed Hakeem, Mohammed Ameen Ahmed Qasem, Mohammed Lardhi, Stefan Iglauer
Date-Leaf Carbon Particles For Green Enhanced Oil Recovery, Bashirul Haq, Md Abdul Aziz, Dhafer Al Shehri, Nasiru Salahu Muhammed, Shaik Inayath Basha, Abbas Saeed Hakeem, Mohammed Ameen Ahmed Qasem, Mohammed Lardhi, Stefan Iglauer
Research outputs 2022 to 2026
Green enhanced oil recovery (GEOR) is an environmentally friendly enhanced oil recovery (EOR) process involving the injection of green fluids to improve macroscopic and microscopic sweep efficiencies while boosting tertiary oil production. Carbon nanomaterials such as graphene, carbon nanotube (CNT), and carbon dots have gained interest for their superior ability to increase oil recovery. These particles have been successfully tested in EOR, although they are expensive and do not extend to GEOR. In addition, the application of carbon particles in the GEOR method is not well understood yet, requiring thorough documentation. The goals of this work are to develop carbon …
Effect Of Methyl Orange On Wettability Of Sandstone Formations: Implications For Enhanced Oil Recovery, Fatemah Alhamad, Mujahid Ali, Muhammad Ali, Hussein Abid, Hussein Hoteit, Stefan Iglauer, Alireza Keshavarz
Effect Of Methyl Orange On Wettability Of Sandstone Formations: Implications For Enhanced Oil Recovery, Fatemah Alhamad, Mujahid Ali, Muhammad Ali, Hussein Abid, Hussein Hoteit, Stefan Iglauer, Alireza Keshavarz
Research outputs 2022 to 2026
With the increasing global population, fossil fuel resources still represent a main contributor to the energy supply, despite the progress made in the field of renewable energies. Large quantities of residual oil from mature reservoirs cannot be produced through primary and secondary recovery methods. Among alternative recovery techniques, chemically enhanced oil recovery methods are attracting considerable interest to increase the hydrocarbon recovery from oil-bearing geological formations. The wettability of any particular formation can be used to predict the oil recovery factor of a reservoir based on its wetting state. However, due to the complex nature of geological porous media, special …
Clean Process To Utilize The Potassium-Containing Phosphorous Rock With Simultaneous Hcl And Kcl Production Via The Steam-Mediated Reactions, Yunshan Wang, Lufang Shi, Houli Li, Yixiao Wang, Zhiying Wang, Xuebin An, Mingzhu Tang, Gang Yang, Jun He, Jing Hu, Yong Sun
Clean Process To Utilize The Potassium-Containing Phosphorous Rock With Simultaneous Hcl And Kcl Production Via The Steam-Mediated Reactions, Yunshan Wang, Lufang Shi, Houli Li, Yixiao Wang, Zhiying Wang, Xuebin An, Mingzhu Tang, Gang Yang, Jun He, Jing Hu, Yong Sun
Research outputs 2022 to 2026
In this paper, a clean process based on the steam-mediated reactions for simultaneous HCl and KCl production using the potassium (K)-containing phosphorous rock as a precursor is proposed. Through hydrochloric acid (HCl) leaching, not only the generation of H3PO4and CaCl2 (via further precipitation) were realized but also the acid-insoluble residue [phosphorous-rock slag (PS)] rich in elements, that is, K, Al, Si, and so on, in the form of microcline (KAlSi3O8) and quartz (SiO2) was obtained and became readily available for further HCl and KCl generation. Over 95 % of …
Wastewater Remediation Technologies Using Macroscopic Graphene-Based Materials: A Perspective, Rajan Arjan Kalyan Hirani, Abdul Hannan Asif, Nasir Rafique, Lei Shi, Shu Zhang, Hong Wu, Hongqi Sun
Wastewater Remediation Technologies Using Macroscopic Graphene-Based Materials: A Perspective, Rajan Arjan Kalyan Hirani, Abdul Hannan Asif, Nasir Rafique, Lei Shi, Shu Zhang, Hong Wu, Hongqi Sun
Research outputs 2014 to 2021
Three-dimensional (3D) graphene-based macrostructures are being developed to combat the issues associated with two-dimensional (2D) graphene materials in practical applications. The 3D macrostructures (3DMs), for example, membranes, fibres, sponges, beads, and mats, can be formed by the self-assembly of 2D graphene-based precursors with exceptional surface area and unique chemistry. With rational design, the 3D macrostructures can then possess outstanding properties and exclusive structures. Thanks to various advantages, these macrostructures are competing in a variety of applications with promising performances unlike the traditional activated carbons, biochars and hydrochars, which have less flexibilities for modifications towards versatile applications. However, despite having such …
Mapping Cyber-Enabled Crime: Understanding Police Investigations And Prosecutions Of Cyberstalking, Brianna Jane O'Shea, Nicole L. Asquith, Jeremy Prichard
Mapping Cyber-Enabled Crime: Understanding Police Investigations And Prosecutions Of Cyberstalking, Brianna Jane O'Shea, Nicole L. Asquith, Jeremy Prichard
Research outputs 2014 to 2021
Stalking is one of the main types of abusive behaviour facilitated by technology. The purpose of the current study was twofold: to identify the challenges of cyberstalking investigations and prosecutions in Australia and determine how best to investigate these types of offences. A qualitative analysis of four years of interviews, focus groups and participant observations with police departments provides an overview of the cyberstalking investigative process. The findings map out the process from the initial report of the incident to the preparation of the prosecution brief. This analysis positions cyberstalking investigations as an interesting case study in the midst of …
A Review Of Enhancement Of Biohydrogen Productions By Chemical Addition Using A Supervised Machine Learning Method, Yiyang Liu, Jinze Liu, Hongzhen He, Shanru Yang, Yixiao Wang, Jin Hu, Huan Jin, Tianxiang Cui, Gang Yang, Yong Sun
A Review Of Enhancement Of Biohydrogen Productions By Chemical Addition Using A Supervised Machine Learning Method, Yiyang Liu, Jinze Liu, Hongzhen He, Shanru Yang, Yixiao Wang, Jin Hu, Huan Jin, Tianxiang Cui, Gang Yang, Yong Sun
Research outputs 2014 to 2021
In this work, the impact of chemical additions, especially nano‐particles (NPs), was quan-titatively analyzed using our constructed artificial neural networks (ANNs)‐response surface methodology (RSM) algorithm. Fe‐based and Ni‐based NPs and ions, including Mg2+, Cu2+, Na+, NH4+, and K+, behave differently towards the response of hydrogen yield (HY) and hydrogen evolution rate (HER). Manipulating the size and concentration of NPs was found to be effective in enhancing the HY for Fe‐based NPs and ions, but not for Ni‐based NPs and ions. An optimal range of particle size (86–120 nm) and Ni‐ion/NP concentration (81–120 mg L−1) existed for HER. Meanwhile, the manipulation …
N Evolution And Physiochemical Structure Changes In Chars During Co-Pyrolysis: Effects Of Abundance Of Glucose In Fiberboard, Deliang Xu, Liu Yang, Ming Zhao, Yu Song, Karnowo, Hong Zhang, Xun Hu, Hongqi Sun, Shu Zhang
N Evolution And Physiochemical Structure Changes In Chars During Co-Pyrolysis: Effects Of Abundance Of Glucose In Fiberboard, Deliang Xu, Liu Yang, Ming Zhao, Yu Song, Karnowo, Hong Zhang, Xun Hu, Hongqi Sun, Shu Zhang
Research outputs 2014 to 2021
© 2020 by the authors. The simple incineration of wood-based panels (WBPs) waste generates a significant amount of NOx, which has led to urgency in developing a new method for treating the N-containing biomass residues. This work aims to examine the N evolution and physiochemical structural changes during the co-pyrolysis of fiberboard and glucose, where the percentage of glucose in the feedstock was varied from 0% to 70%. It was found that N retention in chars was monotonically increased with increasing use of glucose, achieving ~60% N fixation when the glucose accounted for 70% in the mixture. Pyrrole-N (N-5) and …
A Review Of Biohydrogen Productions From Lignocellulosic Precursor Via Dark Fermentation: Perspective On Hydrolysate Composition And Electron‐Equivalent Balance, Yiyang Liu, Jingluo Min, Xingyu Feng, Yue He, Jinze Liu, Yixiao Wang, Jun He, Hainam Do, Valerie Sage, Gang Yang, Yong Sun
A Review Of Biohydrogen Productions From Lignocellulosic Precursor Via Dark Fermentation: Perspective On Hydrolysate Composition And Electron‐Equivalent Balance, Yiyang Liu, Jingluo Min, Xingyu Feng, Yue He, Jinze Liu, Yixiao Wang, Jun He, Hainam Do, Valerie Sage, Gang Yang, Yong Sun
Research outputs 2014 to 2021
This paper reviews the current technological development of bio-hydrogen (BioH2) generation, focusing on using lignocellulosic feedstock via dark fermentation (DF). Using the collected reference reports as the training data set, supervised machine learning via the constructed artificial neuron networks (ANNs) imbedded with feed backward propagation and one cross-out validation approach was deployed to establish correlations between the carbon sources (glucose and xylose) together with the inhibitors (acetate and other inhibitors, such as furfural and aromatic compounds), hydrogen yield (HY), and hydrogen evolution rate (HER) from reported works. Through the statistical analysis, the concentrations variations of glucose (F-value = …
Application Of Biochar Derived From Pyrolysis Of Waste Fiberboard On Tetracycline Adsorption In Aqueous Solution, Deliang Xu, Yaxuan Gao, Zixiang Lin, Wenran Gao, Hong Zhang, Karnowo Karnowo, Xun Hu, Hongqi Sun, Syed S. A. Syed-Hassan, Shu Zhang
Application Of Biochar Derived From Pyrolysis Of Waste Fiberboard On Tetracycline Adsorption In Aqueous Solution, Deliang Xu, Yaxuan Gao, Zixiang Lin, Wenran Gao, Hong Zhang, Karnowo Karnowo, Xun Hu, Hongqi Sun, Syed S. A. Syed-Hassan, Shu Zhang
Research outputs 2014 to 2021
In this study, biochars derived from waste fiberboard biomass were applied in tetracycline (TC) removal in aqueous solution. Biochar samples were prepared by slow pyrolysis at 300, 500, and 800°C, and were characterized by ultimate analysis, Fourier transform infrared (FTIR), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Brunauer–Emmett–Teller (BET), etc. The effects of ionic strength (0–1.0 mol/L of NaCl), initial TC concentration (2.5–60 ppm), biochar dosage (1.5–2.5 g/L), and initial pH (2–10) were systemically determined. The results present that biochar prepared at 800°C (BC800) generally possesses the highest aromatization degree and surface area with abundant pyridinic N (N-6) and …
A Review Of The Enhancement Of Bio-Hydrogen Generation By Chemicals Addition, Yong Sun, Jun He, Gang Yang, Guangzhi Sun, Valérie Sage
A Review Of The Enhancement Of Bio-Hydrogen Generation By Chemicals Addition, Yong Sun, Jun He, Gang Yang, Guangzhi Sun, Valérie Sage
Research outputs 2014 to 2021
Bio-hydrogen production (BHP) produced from renewable bio-resources is an attractive route for green energy production, due to its compelling advantages of relative high efficiency, cost-effectiveness, and lower ecological impact. This study reviewed different BHP pathways, and the most important enzymes involved in these pathways, to identify technological gaps and effective approaches for process intensification in industrial applications. Among the various approaches reviewed in this study, a particular focus was set on the latest methods of chemicals/metal addition for improving hydrogen generation during dark fermentation (DF) processes; the up-to-date findings of different chemicals/metal addition methods have been quantitatively evaluated and thoroughly …
Fingerprinting Blue Carbon: Rationale And Tools To Determine The Source Of Organic Carbon In Marine Depositional Environments, Nathan R. Geraldi, Alejandra Ortega, Oscar Serrano, Peter I. Macreadie, Catherine E. Lovelock, Dorte Krause-Jensen, Hilary Kennedy, Paul S. Lavery, Michael L. Pace, Joeri Kaal, Carlos M. Duarte
Fingerprinting Blue Carbon: Rationale And Tools To Determine The Source Of Organic Carbon In Marine Depositional Environments, Nathan R. Geraldi, Alejandra Ortega, Oscar Serrano, Peter I. Macreadie, Catherine E. Lovelock, Dorte Krause-Jensen, Hilary Kennedy, Paul S. Lavery, Michael L. Pace, Joeri Kaal, Carlos M. Duarte
Research outputs 2014 to 2021
Blue carbon is the organic carbon in oceanic and coastal ecosystems that is captured on centennial to millennial timescales. Maintaining and increasing blue carbon is an integral component of strategies to mitigate global warming. Marine vegetated ecosystems (especially seagrass meadows, mangrove forests, and tidal marshes) are blue carbon hotspots and their degradation and loss worldwide have reduced organic carbon stocks and increased CO2 emissions. Carbon markets, and conservation and restoration schemes aimed at enhancing blue carbon sequestration and avoiding greenhouse gas emissions, will be aided by knowing the provenance and fate of blue carbon. We review and critique current …
Evaluation Of Bio-Asphalt Binders Modified With Biochar: A Pyrolysis By-Product Of Mesua Ferrea Seed Cover Waste, Abhinay Kumar, Rajan Choudhary, Rumi Narzari, Rupam Kataki, Sanjay K. Shukla
Evaluation Of Bio-Asphalt Binders Modified With Biochar: A Pyrolysis By-Product Of Mesua Ferrea Seed Cover Waste, Abhinay Kumar, Rajan Choudhary, Rumi Narzari, Rupam Kataki, Sanjay K. Shukla
Research outputs 2014 to 2021
With growing global concerns related to energy security and sustainability, interest in bio-fuels has increased significantly. Production of biofuel mostly begins with pyrolysis, a process that converts the biomass to liquid biooil, solid biochar and gases. A large amount of carbonaceous biochar is generated as a by-product during the pyrolysis. However, no major effort has been made in the past decade to utilize the biochar in pavement applications, especially as a bio-modifier to asphalt binders. In this study, an attempt was made to evaluate the carbonaceous biochar, obtained during bio-fuel production through pyrolysis of Mesua ferrea seed cover waste, as …
Western Australian Graduate Diploma Of Education (Primary) Students' Perceptions Of Sustainability, Judith Clare Odgaard
Western Australian Graduate Diploma Of Education (Primary) Students' Perceptions Of Sustainability, Judith Clare Odgaard
Theses: Doctorates and Masters
In late 2011, the researcher investigated a cohort of Western Australian (WA) Graduate Diploma of Education Primary (GDE-P) students’ perceptions of Sustainability across a broad range of biophysical/natural, social and cultural, economic and political spheres. The study occurred during the seventh year of UNESCO’s Decade of Education for Sustainability Development, and when Sustainability Education became one of three cross-curriculum priorities of the new Australian Curriculum. Importantly, the students’ perceptions were interpreted during the context of the Post Global Financial Crisis and after Julia Gillard replaced Kevin Rudd as the Labor Prime Minister. The intense political context was often supported by …