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Topic Review
Water Footprint of Forest and Orchard Trees
The measurement of water consumption by trees is fundamental for detecting potential opportunities to mitigate water resource depletion. The water footprint (WF) is a tool to address the environmental effects related to water use, identifying ways to reduce overall water consumption.
  • 866
  • 19 Sep 2022
Topic Review
Geodiversity and Geotourism
Geodiversity has recently emerged as a key idea for recognizing the value of abiotic nature. The concept has vital implications for informing tourism sustainability research; however, to date, tourism scholarship has not shown adequate engagement with this concept. The issue also assumes further significance in the Anthropocene, where our species has become a geological force. It is argued that, in the Anthropocene, it is no longer enough for tourism sustainability research to remain preoccupied with the human predicament in the Anthropocene or the decline of biotic nature at some prominent tourism destinations, and it is imperative that tourism scholars embrace the concern for abiotic diversity and dynamic earth processes that provide vital resources and services for tourism planetwide.
  • 864
  • 17 Jun 2022
Topic Review
State-of-the-Art Recycling Processes for Lithium-Ion Batteries
In the quest for sustainable energy solutions and environmental protection, the management of end-of-life (EoL) batteries has emerged as a critical issue. Batteries, especially lithium-ion batteries (LIBs), power a wide range of devices and are central to modern life. As society’s reliance on batteries grows, there is an urgent need for sustainable battery recycling methods that can efficiently recover valuable materials, minimize environmental impact, and support the circular economy.
  • 864
  • 29 Jan 2024
Topic Review
Toxins and Toxins Secreted by Algal Bloom Habitats
Fish die-offs are important indicators of aquatic environmental problems, and although some fish species are very sensitive to adverse changes in environmental conditions (there are many fish species that have a relatively low tolerance to changes in the environment), it is important to remember that such changes usually affect entire aquatic ecosystems, and thus other animals and plants, as well as everything related to the bottom life of the aquatic environment. Localized sudden and mass fish kills or even whole fish populations and deterioration (mortality) in aquatic life in different types of water bodies, namely freshwater, marine, and estuarine, have been observed quite frequently and excessively. Although the causes of their occurrence may be natural, anthropogenic changes and pollution (including toxins) in aquatic and terrestrial systems are major contributors to the increasing frequency and magnitude of fish kills worldwide.
  • 861
  • 03 Jul 2023
Topic Review
Inland/Coastal Water Quality Measures
Water quality measures for inland and coastal waters are available as discrete samples from professional and volunteer water quality monitoring programs and higher-frequency, near-continuous data from automated in situ sensors. Water quality parameters also are estimated from model outputs and remote sensing. The integration of these data, via data assimilation, can result in a more holistic characterization of these highly dynamic ecosystems, and consequently improve water resource management.
  • 859
  • 10 Aug 2021
Topic Review
CO2 Emissions
The issue of environmental degradation has emerged as a pervasive global concern. Consequently, authors have expanded their investigations into environmental studies to mitigate the adverse repercussions and safeguard the integrity of the planet’s ecosystem. In the context of national priorities, the fundamental goal of any nation is to enhance its economic progress (GDP) rate to foster social welfare. In this scenario, the occurrence of swift GDP can lead to the reduction of resources and the exacerbation of the environment. Sustainable GDP in developing nations improves society. Trade, development, foreign direct investment (FDI), and natural resource (NAT) development have been used to achieve this goal. Production increases energy use and CO2 emissions (CO2em). GDP must not harm future generations.
  • 858
  • 07 Oct 2023
Topic Review
Pesticides Risks in Africa
On the African continent, ongoing agriculture intensification is accompanied by the increasing use of pesticides, associated with environmental and public health concerns. Agriculture production systems are at the same time under pressure due to climate change, the need to produce about double the amount of food by 2050, and to achieve some of the sustainable development goals (SDGs).
  • 857
  • 16 Mar 2022
Topic Review
Near Zero-Energy Housing
A context-specific approach to the investigation of barriers to Near Zero-Energy Housing could facilitate and accelerate the transition towards a zero-energy built environment.
  • 851
  • 22 Jul 2021
Topic Review
Per- and Poly-Fluoroalkyl Substances’ Pollution
Per- and poly-fluoroalkyl substances (PFASs) refer to a class of compounds in which all or part of the hydrogen atoms linked to carbon atoms in alkane molecules are replaced by fluorine atoms. Because of the strong polarity of the C-F bond, PFASs have more stable and more excellent properties than other hydrocarbons (such as a remarkably high chemical stability and excellent hydrophobicity and oleophobicity), so they have been used in various fields of production, such as plastic wrap, paper, coatings, poly-tetrafluoroethylene products and foam fire-extinguishing agents.
  • 851
  • 16 Mar 2022
Topic Review
Impacts of Exotic Pests on Forest Ecosystems
Pests (e.g., insects, pathogens) affect forest communities through complex interactions with plants, other animals, and the environment. While the effects of exotic (non-native) pests on trees received broad attention and were extensively studied, fewer studies addressed the ecosystem-level consequences of these effects. Related studies so far mostly only targeted a very few dominant pests (e.g., hemlock woolly adelgid—HWA, beech bark disease—BBD, and spongy moth—SM) and were limited to aspects of the complex situation such as (1) pests’ direct physical disturbance to forest ecosystems, (2) altered geochemical elements of soils, water, and air (e.g., excretion), and (3) feedback effects from the alteration of ecosystems on plants, native insects, and present and future pest invasions. New studies also show that, in general, planted forests appear to be more prone to exotic pest invasions and thus suffer greater impacts than natural forests. Integrated studies are critically needed in the future to address (1) direct/indirect interactions of pests with ecosystem elements, (2) both short- and long-term effects, and (3) feedback effects. The implications of the new findings and corresponding management strategies are discussed.
  • 850
  • 11 May 2023
Topic Review
China Urbanisation and Carbon Tax
Carbon tax is a tax on carbon-based fuels. In the policy evaluation framework, the social cost of carbon (SCC) is usually used to denote whether a climate policy can cost-effectively abate carbon emissions. In other words, the SCC stands for the costs of the emissions of an additional tonne of carbon dioxide, and thus it is used to denote the marginal welfare impact of the emissions.
  • 847
  • 21 Jun 2021
Topic Review
Biochemical Mechanisms of Bioremediation Processes with Filamentous Fungi
The industrial sector plays a significant role in global economic growth. However, it also produces polluting effluents that must be treated to prevent environmental damage and ensure the quality of life for future generations is not compromised. Various physical, chemical, and biological methods have been employed to treat industrial effluents. Filamentous fungi, in particular, have garnered attention as effective bioremediation agents due to their ability to produce enzymes capable of degrading recalcitrant compounds, and adsorb different pollutant molecules.
  • 847
  • 05 Mar 2024
Topic Review
Functional Agro-Biodiversity
The European Union’s ‘Green Deal’ proposes an ambitious roadmap towards climate neutrality by 2050 and the adoption of a circular economy. Functional AgroBiodiversity (FAB) measures, which balance food production with minimised impacts on nature, are a promising way to achieve this on farmland.
  • 845
  • 29 Dec 2023
Topic Review
Sustainable Transportation to Mitigate Climate Change
The build-up of greenhouse gases (GHGs) is causing warmness in the Earth’s atmosphere, resulting in climate change. The transport sector is one of the active causes of GHG emissions and it is imperative to use sustainable transport sources to control climate change. There is a measure that aims to encourage citizens to stop using their own vehicles as their choice of transport and instead opt for joint sustainable mobility during traveling.
  • 845
  • 26 Jun 2023
Topic Review
Environmental and Human Exposure Data of Microplastics
Scientific studies of microplastics have expanded since 2015, propelling the topic to the forefront of scientific inquiry. Microplastics are ubiquitous in the environment and pose a potential risk to human health.
  • 843
  • 20 Feb 2023
Topic Review
Interactions of Nanoplastics with Freshwater Phytoplankton Species
Nano-sized plastics (NPLs, size < 100 nm) are characterized by a very small size and high reactivity, allowing them to interact with diverse phytoplankton species. The processes governing the interactions of NPLs with phytoplankton cells include absorption onto cell, penetration into cells via endocytosis or physical damage, and the obstruction of substance and energy exchange with the surrounding medium. Upon association with the cells, elevated concentrations of NPLs can reduce phytoplankton growth and photosynthesis,  trigger overproduction of reactive oxygen species and damages, as well as alter cellular metabolic activity. NPLs can influence toxin production by cyanobacteria and  release of extracellular polymeric substances by different phytoplankton species. Conversely, phytoplankton species can modulate NPL fate by secreting biomolecules that form an eco-corona around the NPLs, as well as taking part in the NPLs biotransformation.
  • 839
  • 11 Dec 2023
Topic Review
Circular Economy Implementation
The circular economy, as a promising response to sustainability issues, is a crucible for carefully designed ecofriendly actions and integrative mechanisms in enterprises, households, and societies for the attainment of the desired outcomes. It is in this context that CE strategies are examined, with the use of metrics, indicators, and standards. The desired outcomes of the CE are well embedded and articulated in the sustainable development goals that the UN and its member countries have vowed to achieve along a designated timeline.
  • 838
  • 15 Jun 2021
Topic Review
Biosynthesis of Extracellular Polysaccharides in Pseudomonas
Pseudomonas biofilms have been studied intensively for several decades and research outcomes have been successfully implemented in various medical and agricultural applications. Research on biofilm synthesis and composition has also overlapped with the objectives of environmental sciences, since biofilm components show exceptional physicochemical properties applicable to remediation techniques. Especially, exopolysaccharides (ExPs) have been at the center of scientific interest, indicating their potential in solving the environmental issues of heavy metal land and water contamination via sorptive interactions and flocculation.
  • 836
  • 21 Jun 2023
Topic Review
Geological Site Effects in Archaeoseismological Point of View
Earthquakes have and continue to, occur worldwide, though some places are affected more than others by earthquake-induced ground shaking and the same earthquake can cause more damage in one area than in nearby locations due to site-specific geological site conditions, also known as local site effects. Depending on the chronology of the earthquakes, various disciplines of seismology include instrumental and historical seismology, archaeoseismology, palaeoseismology and neotectonics, each focusing on using specific sources of information to evaluate recent or ancient earthquakes. Past earthquakes are investigated to expand the pre-instrumental and instrumental earthquake catalog and better evaluate a region’s seismic hazard. Archaeoseismology offers a way to achieve these goals because it links how ancient civilizations and their environment might have interacted and responded to past earthquake-induced ground motion and soil amplification. Hence, archaeoseismology explores pre-instrumental (past) earthquakes that might have affected sites of human occupation and their nearby settings, which have left their co-seismic marks in ancient manufactured constructions exhumed by archaeological excavations. However, archaeoseismological observations are often made on a limited epicentral area, poorly constrained dated earthquakes and occasionally on unclear evidence of earthquake damage. Archaeological excavations or field investigations often underestimate the critical role that an archaeological site’s ancient geological site conditions might have played in causing co-seismic structural damage to ancient anthropogenic structures. Nevertheless, the archaeological community might document and inaccurately diagnose structural damage by ancient earthquake shaking to structures and even estimate the size of past earthquakes giving little or no consideration to the role of geological site effects in addressing the causative earthquake. 
  • 830
  • 22 Mar 2023
Topic Review
Janpan's Air Quality during 30Years
The trends and characteristics of air pollutant concentrations, especially PM2.5, ozone, and related substances, over the past 30 years, are analyzed, and the relationships between concentrations and emissions are discussed quantitatively. We found that PM2.5 mass concentrations have decreased, with the largest reduction in elemental carbon (EC) as the PM2.5 component. The concentrations of organic carbon (OC) have not changed significantly compared to other components, suggesting that especially VOC emissions as precursors need to be reduced. In addition, the analysis of the differences in PM2.5 concentrations between the ambient and the roadside showed that further research on non-exhaust particles is needed. For NOx and SO2, there is a linear relationship between domestic anthropogenic emissions and atmospheric concentrations, indicating that emission control measures are directly effective in the reduction in concentrations. Also, recent air pollution episodes and the effect of reduced economic activity, as a consequence of COVID-19, on air pollution concentrations are summarized
  • 828
  • 07 Sep 2021
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