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Topic Review
ZnO and TiO2 Green Synthesis
Over the last two decades, oxide nanostructures have been continuously evaluated and used in many technological applications. The advancement of the controlled synthesis approach to design desired morphology is a fundamental key to the discipline of material science and nanotechnology. These nanostructures can be prepared via different physical and chemical methods; however, a green synthesis approach is a promising way to produce these nanostructures with desired properties with time and energy savings and/or less use of hazardous chemicals. In this regard, ZnO and TiO2 nanostructures are prominent candidates for various applications given their thermal stability, non-toxicity and cost-effective. 
  • 2.2K
  • 06 May 2021
Topic Review
Poly(Ethylene Terephthalate) Microplastics
The high PET production volume and the waste mismanagement of PET litter make it one of the most polluting plastic material. Its diffusion in marine litter is widely assessed according to public opinion and documented in the literature. The major sources of PET microplastics in the marine environment are bottles and fibers. The role of PET micro/nanoplastics of vector of toxic chemicals, their fate and the negative effects on the environment and human health is still under discussion.
  • 2.2K
  • 27 Apr 2021
Topic Review
Environmental Impact of Waste Wood Ash
Waste wood ash (WWA) is used with other waste materials in geopolymer production and is found in pulp and paper, wood-burning industrial facilities, and wood-fired plants. 
  • 2.1K
  • 15 Aug 2022
Topic Review Peer Reviewed
Bioplastic as a Substitute for Plastic in Construction Industry
Bioplastics have proven to be a viable substitute for plastics in some sectors, although their use in construction is still limited. The construction sector currently uses 23% of the world’s plastic production, both for the materials themselves and for their packaging and protection. A considerable part is not recycled and is dispersed into the environment or ends up in landfills. In response to the environmental problems caused by oil-based plastic pollution, the development of biocomposite materials such as bioplastics represents a paradigm shift. This entry aims to explain what bioplastics are, providing a classification and the description of the different properties and applications. It also lays out the most interesting uses of these materials in the construction field. 
  • 2.1K
  • 02 Aug 2022
Topic Review
Benefits of Green Building Implementation
A green building is often defined as an energy-saving building, ecological building or sustainable building. Green buildings have higher commercial value compared to traditional buildings, due to the perceived low carbon emissions, energy savings, and maximized economic benefits throughout the life cycle.
  • 2.0K
  • 15 Nov 2022
Topic Review
Fintech and Sustainability
Current concerns about environmental issues have led to many new trends in technology and financial management. Within this context of digital transformation and sustainable finance, Fintech has emerged as an alternative to traditional financial institutions. This paper, through a literature review and case study approach, analyzes the relationship between Fintech and sustainability, and the different areas of collaboration between Fintech and sustainable finance, from both a theoretical and descriptive perspective, while giving specific examples of current technological platforms. Additionally, in this paper, two Fintech initiatives (Clarity AI and Pensumo) are described, as well as several proposals to improve the detection of greenwashing and other deceptive behavior by firms. The results lead to the conclusion that sustainable finance and Fintech have many aspects in common, and that Fintech can make financial businesses more sustainable overall by promoting green finance. Furthermore, this paper highlights the importance of European and global regulation, mainly from the perspective of consumer protection. 
  • 2.0K
  • 14 Jul 2021
Topic Review
Constructed Wetland Components in Wastewater Treatment
An efficient approach to treating anthropogenic discharge (e.g., wastewater, effluents from agriculture and industry, stormwater runoff) is to create a constructed wetland (CW), which simulates natural marshland or swampland. These artificial wetlands employ physical, chemical, and/or biological methods, either consecutively or concurrently, to convert and extract different contaminants from the wastewater, and as such are highly intricate systems. Different system components of CWs, such as the porous bed, plants, and microorganisms, have contribution to the removal of phenols in wastewater treatment. 
  • 2.0K
  • 23 Mar 2022
Topic Review
Chelating Agents in Soil Remediation
The Fenton process is an efficient treatment for removing many organics pollutants in aqueous systems at acidic pH (2.8-3.5). However, the in-situ application of this technology for soil remediation (where pHs around neutrality are required) presents important limitations, such as catalyst (iron) availability and oxidant (H2O2) stability. The addition of chelating agents (CAs) makes iron soluble at circumneutral pH by forming complexes with Fe, and thus, enabling Fenton reactions under these conditions. This strategy, called chelate-modified Fenton process (MF), can be employed to overcome the challenges identified in conventional Fenton.
  • 1.9K
  • 09 Aug 2021
Topic Review
Application of the IoT in Disaster Risk Management
Taiwan is in a hazard-exposed area where people often suffer through typhoons, earthquakes, and landslides, and must face the challenges of environmental and climate changes in ongoing and future developments. Taiwan has implemented an integrated and interdisciplinary project, which is titled Civil IoT Taiwan, for better disaster risk management and risk communication with all stakeholders by cooperating closely with authorities, scientists, and industry. 
  • 1.9K
  • 30 Dec 2021
Topic Review
Policy Evolution of Chinese New Energy Vehicle Industry
The Chinese new energy vehicle industry policy is divided into three development periods: 2004–2008—promotion policy and technological policy; 2009–2013—financial policy; and 2014–2020—charging infrastructure policy. 
  • 1.9K
  • 29 Jun 2022
Topic Review
Environmental Impacts of Livestock Production
Livestock production, as one of the oldest and most significant human activities, plays a vital role in fulfilling the global demand for human nutrition and other animal-related products while contributing to poverty reduction. However, it is also important to address the environmental impact of livestock animals.
  • 1.9K
  • 22 Nov 2023
Topic Review
Microalgae-Based Biorefineries: Challenges and Future Trends
Microalgae-based biorefineries allow the simultaneous production of microalgae biomass enriched in a particular macromolecule and high-added and low-value products if a proper selection of the microalgae species and the cultivation conditions are adequate for the purpose. 
  • 1.9K
  • 30 Aug 2022
Topic Review
Eco-Innovation
Eco-innovation refers to “the production, assimilation or exploitation of a product, production process, service or management or business method that is novel to the organization (developing or adopting it) and which results, throughout its life cycle, in a reduction of environmental risk, pollution and other negative impacts of resources use (including energy use) compared to relevant alternatives”. Eco-innovation has been used as a synonym for “environmental innovation”, “green innovation,” and “sustainable innovation” depending on the author and the outlet where the research is published.
  • 1.9K
  • 01 Jun 2021
Topic Review
Artificial Intelligence Applied to Photovoltaic Systems
Solar energy is one of the most important renewable energies, and the investment of businesses and governments is increasing every year. Artificial intelligence (AI) is used to solve the most important problems found in photovoltaic (PV) systems, such as the tracking of the Max Power Point of the PV modules, the forecasting of the energy produced by the PV system, the estimation of the parameters of the equivalent model of PV modules or the detection of faults found in PV modules or cells. AI techniques perform better than classical approaches, even though they have some limitations such as the amount of data and the high computation times needed for performing the training.
  • 1.9K
  • 24 Oct 2022
Topic Review
Green Taxes in Africa
Environmental or green taxation has been increasingly seen as a productive economic instrument to generate incentives to stimulate more environmentally friendly consumption and production choices and trends. Growing attention to environmental challenges such as the lack of optimum, effective, and responsible usage of natural resources, health concerns from the use of some energy resources, environmental degradation, and climate change have driven the implementation of green taxes. These taxes have been used by various countries, regions and continents on variegated areas and driven by an array of motives. The African continent has also put in place environmental taxes as evidenced in various countries.
  • 1.9K
  • 28 Sep 2022
Topic Review
Waste to Energy Conversion Processes
Sustainable biofuel production is the most effective way to mitigate greenhouse gas emissions associated with fossil fuels while preserving food security and land use. The most common methods of converting organic waste into energy are biochemical methods such as anaerobic digestion and fermentation. The use of bioelectrochemical technologies such as microbial fuel cells and microbial electrochemical cells to handle organic waste have been proposed as a solution pathway to energy decarbonization.
  • 1.8K
  • 07 Jun 2022
Topic Review
Artificial Intelligence and Agricultural Sustainability
Artificial intelligence (AI) is one innovation emerging from the digitalization trend, often being used for precision agriculture and to enhance smart farming techniques. The digitalization of agricultural systems is aimed at the technological optimization of production, value chains, and food systems, as well as minimizing the environmental impacts of agriculture. 
  • 1.8K
  • 18 Nov 2021
Topic Review
Prosopis Species in South Africa
The infestation of invasive plants such as Prosopis species does not only affect the groundwater levels but also threatens the grazing capacity and species richness of most of the semi-arid areas around South Africa. Though Prosopis is invasive, it is however of good nutritive value and can serve as an alternative source of protein and minerals for livestock during the dry season. Bush encroachment by browsable invasive species can be controlled through biological methods by using organisms such as livestock. 
  • 1.8K
  • 30 Jul 2021
Topic Review
Closed Ecological Life Support Systems
Closed ecological life support systems (CELSS) requires agricultural production for food, CO2removal, O2generation (human respiratory quotient ofCO2/[O2= 0.84–0.87 depending on the percentage formation of carbohydrate, fat and protein in the food consumed) and water recycling with bioreactors for recycling waste. Plants consume CO2and H2O for photosynthesis under the action of sufficient PAR to produce carbohydrate food, regenerate oxygen and filter water through evapotranspiration. There have been several bioregenerative life support system programmes including Biosphere 2 (US), CELSS (NASA), Bios-3 (Roscosmos) and its predecessors and MELiSSA (ESA).
  • 1.8K
  • 13 Aug 2021
Topic Review
Augmented Reality in Agriculture
Augmented Reality (AR) applications have become prevalent within smart industry manufacturing and wider popular culture sectors over the last decade, yet use of AR technology within an agricultural setting is still within its infancy. 
  • 1.8K
  • 04 Jan 2022
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