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Topic Review
Competitive Enterprise Institute
The Competitive Enterprise Institute (CEI) is a non-profit libertarian think tank founded by political writer Fred L. Smith Jr. on March 9, 1984, in Washington, D.C., to advance principles of limited government, free enterprise, and individual liberty. CEI focuses on a number of regulatory policy issues, including energy, environment, business and finance, labor, technology and telecommunications, transportation, and food and drug regulation. According to the 2017 Global Go To Think Tank Index Report (Think Tanks and Civil Societies Program, University of Pennsylvania), CEI is number 59 (of 60) in the "Top Think Tanks in the United States". Academic research has identified it as one of the Conservative think tanks central to promoting climate change denial.
  • 1.1K
  • 16 Nov 2022
Topic Review
Remote Sensing in Coastal Areas
Coastal areas are regions of remarkable relevance for humans, providing essential components for social and economic development from the local to the national scale. To preserve the economic and ecological sustainability of the coastal environment, the scientific community has been pushing for the use of integrated observation systems aimed at monitoring such susceptible areas. Remote sensing data can complement traditional field measurements, ensuring almost continuous synoptic coverage with a good trade-off between spatial and temporal resolution, thus allowing for a timely characterization of coastal environment dynamics. In particular, the availability of a multi-temporal historical series of remote sensing data can provide useful information on the spatiotemporal variability of hydrological (sea surface currents, river runoff/discharge), biological (phytoplankton blooms, primary productivity) and physical (temperature, salinity, and turbidity) properties of coastal waters as well as on human-induced land cover mutations (deforestation, surface urban islands).  This Special Issue seeks to collect high-quality papers focused on satellite-based applications for monitoring coastal areas, continental shelves and estuarine ecosystems.
  • 1.1K
  • 29 Oct 2020
Topic Review
Phytoremediation for Arsenic-Contaminated Gold Mine Waste
Arsenic (As)-contaminated gold mine waste is a global problem and poses a significant risk to the ecosystem and community (e.g., carcinogenic, toxicity). Research is investigating environmentally sustainable techniques to remediate As-rich mine waste. Biological techniques involving plants (phytoremediation) and soil amendments have been studied to bioaccumulate As from soil (phytoextraction) or stabilise As in the rhizosphere (phytostabilisation). 
  • 1.1K
  • 12 Oct 2023
Topic Review
The Impact of Climate Change on Cholera
Water ecosystems can be rather sensitive to evolving or sudden changes in weather parameters. These changes can result in alterations in the natural habitat of pathogens, vectors, and human hosts, as well as in the transmission dynamics and geographic distribution of infectious agents. 
  • 1.1K
  • 27 Jan 2022
Topic Review
Environmental Sorption of Additives from Microplastics
Although the impacts of plastic pollution have long been recognized, the presence, pervasiveness, and ecotoxicological consequences of microplastic—i.e., plastic particles < 5 mm—contamination have only been explored over the last decade. Far less focus has been attributed to the role of these materials and, particularly, microplastics, as vectors for a multitude of chemicals, including those (un)intentionally added to plastic products, but also organic pollutants already present in the environment. 
  • 1.1K
  • 17 Jan 2024
Topic Review
Climate-friendly Gardening
Climate-friendly gardening is gardening in ways which reduce emissions of greenhouse gases from gardens and encourage the absorption of carbon dioxide by soils and plants in order to aid the reduction of global warming. To be a climate-friendly gardener means considering both what happens in a garden and the materials brought into it and the impact they have on land use and climate. It can also include garden features or activities in the garden that help to reduce greenhouse gas emissions elsewhere.
  • 1.1K
  • 11 Oct 2022
Topic Review
Degradation Processes for Microplastics
Microplastics (MPs) have been shown to be more hazardous than large plastics. Many studies have confirmed the hazards of MPs to organisms and summarized various MP degradation techniques, but there is a lack of discussion on the prospects of the application of these degradation techniques and their degradation efficiency.
  • 1.1K
  • 09 Nov 2023
Topic Review
Distribution of eDNA in Different Environments
In nature, DNA is ubiquitous, existing not only inside but also outside of the cells of organisms. Intracellular DNA (iDNA) plays an essential role in different stages of biological growth, and it is defined as the carrier of genetic information. In addition, extracellular DNA (eDNA) is not enclosed in living cells, accounting for a large proportion of total DNA in the environment. Both the lysis-dependent and lysis-independent pathways are involved in eDNA release, and the released DNA has diverse environmental functions.
  • 1.1K
  • 18 Nov 2022
Topic Review
Legislative System of Photovoltaic Industry Development in China
As one of the world’s largest energy consumers, China is facing the challenge of growing energy demand. Under this background, China is actively implementing the concept of green development and sustainable development route. As inexhaustible green energy, solar energy, has been established as an independent energy type by the Renewable Energy Law and has a broad development prospect. At present, the industrialization level of photovoltaic manufacturing in China is constantly improving, and the efficiency of photovoltaic power generation is constantly improving. However, from the perspective of the system, China’s photovoltaic industry supporting legal system is not perfect. There is a mismatch between the existing laws and industrial development needs, which restricts the future development of photovoltaic power generation in China. The legal environment is crucial to the development of a country’s relevant industries. Only with a good supporting legal system can the development and utilization of solar energy be carried out reasonably and orderly. The PV industry legislation should be adjusted and responded to in a timely manner according to the development situation of the PV industry and the PV market, so as to speed up the introduction of core laws in the PV field, continuously improve the supporting legal system, and effectively play the role of institutional protection of the law. 
  • 1.1K
  • 20 Jan 2022
Topic Review
Sandwich Hybridization Assay for HABs Detection and Monitoring
As cyanobacterial harmful algal bloom (cHAB) events increase in scale, severity, frequency, and duration around the world, rapid and accurate monitoring and characterization tools have become critically essential for regulatory and management decision-making. The composition of cHAB-forming cyanobacteria community can change significantly over time and space and be altered by sample preservation and transportation, making in situ monitoring necessary to obtain real-time and localized information. Sandwich hybridization assay (SHA) utilizes capture oligonucleotide probes for sensitive detection of target-specific nucleic acid sequences. As an amplification-free molecular biology technology, SHA can be adapted for in-situ, real-time or near real-time detection and qualitatively or semi-quantitatively monitoring of cHAB-forming cyanobacteria, owing to its characteristics such as being rapid, portable, inexpensive, and amenable to automation, high sensitivity, specificity and robustness, and multiplexing (i.e., detecting multiple targets simultaneously). Despite its successful application in the monitoring of marine and freshwater phytoplankton, there is still room for improvement. The ability to identify a cHAB community rapidly would decrease delays in cyanotoxin analyses, reduce costs, and increase sample throughput, allowing for timely actions to improve environmental and human health and the understanding of short- and long-term bloom dynamics. Real-time detection and quantitation of HAB-forming cyanobacteria is essential for improving environmental and public health and reducing associated costs.
  • 1.1K
  • 01 Sep 2022
Topic Review
Fungicides Elimination in Agriculture
Fungicides is a class of pesticides that target fungi that is commonly used in conventional farming. The benefits of pesticides are the consequences of their effects: increased productivity, protection of crop losses, vector disease control, and quality of food. Europe’s Farm to Fork strategy aims to boost the development of its organic farming area to 25% of total farmland by 2030. The environmental impacts of fungicides due to their production and application are analyzed, and expected benefits to human health and ecosystem quality due to their elimination are calculated here.
  • 1.1K
  • 20 Apr 2022
Topic Review
Threats to Aquatic Stage of Amphibian Life Cycle
The aquatic stage of biphasic amphibians typically represents a phase of rapid growth and development. For many amphibians the aquatic life cycle starts when females deposit gelatinous eggs in the water, which are externally fertilized by a male during amplexus. After a period of development, the embryos hatch and enter the larval stage.
  • 1.1K
  • 18 May 2023
Topic Review
Processes Responsible for Nitrate Pollution in Water
Nitrate (NO3−) pollution of surface and groundwater bodies is a global problem of increasing concern, which has stimulated significant research interest. Nitrogen is crucial for life as a macronutrient for living organisms on Earth, but the global nitrogen cycle has been seriously altered by intensification of human activities, leading to eutrophication and hypoxic conditions of aquatic ecosystems. Due to nitrogen overfertilization, intensive agricultural practices generate huge nitrate fluxes that inadvertently deteriorate water quality. Different industrial processes also contribute to NO3− pollution in the environment. 
  • 1.1K
  • 14 Apr 2023
Topic Review
Dust-Associated Perfluoroalkyl and Polyfluoroalkyl Substances
The occurrence of sand and dust storms (SDSs) is essential for the geochemical cycling of nutrients; however, it is considered a meteorological hazard common to arid regions because of the adverse impacts that SDSs brings with them. One common implication of SDSs is the transport and disposition of aerosols coated with anthropogenic contaminants. Studies have reported the presence of such contaminants in desert dust; however, similar findings related to ubiquitous emerging contaminants, such as per- and poly-fluoroalkyl substances (PFAS), have been relatively scarce in the literature. 
  • 1.1K
  • 17 Apr 2023
Topic Review
Sampling and Analysis of Airborne Pesticides
The escalating utilization of pesticides has led to pronounced environmental contamination, posing a significant threat to agroecosystems. The extensive and persistent global application of these chemicals has been linked to a spectrum of acute and chronic human health concerns.
  • 1.1K
  • 24 Nov 2023
Topic Review
Simulation of the Urban Space Thermal Environment
The urban space thermal environment (USTE) is spatially expressed as the horizontal and vertical distributions of the surface temperature and atmospheric temperature fields. With the urban space temperature field as the core, the USTE is the physical environmental system in which the underlying surface, atmospheric transmission and solar radiation are influenced by humans and their interactions with nature. The urban thermal environment has significant impacts on the urban climate and micrometeorology; it is an important indicator used to measure the state of the urban ecological environment, and its temporal and spatial evolution processes are closely related to societal and economic activities.
  • 1.1K
  • 27 Oct 2021
Topic Review
Potential for Recovery of Valuable Minerals
Remining can be defined as the use of mine waste, including solid and liquid waste, as the source material from which to extract metals or create other materials of economic value. The socioeconomic appeal of remining derives from its ability to increase domestic supply, create jobs, and improve environmental conditions in areas affected by existing and historic mining activity. Renewable energy metals from remined materials can be sourced from legacy and modern mine wastes for original target metals/minerals and for metals/minerals that were not originally targeted. 
  • 1.1K
  • 27 Nov 2023
Topic Review
Environmental Impact of Electricity Generation Technologies
The transformation of the energy sector, based on the development of low-carbon technologies, is essential to achieve climate neutrality. The Life Cycle Assessment (LCA) is a powerful methodology for assessing the environmental impact of energy technologies, which proves to be a useful tool for policy makers. 
  • 1.1K
  • 20 Feb 2024
Topic Review
Iodinated X-Ray Contrast Media in the Environment
Iodinated X-ray contrast media (ICM) as emerging micropollutants have attracted considerable attention due to their high detected concentration in water systems. It results in environmental issues partly due to the formation of toxic by-products during the disinfection process in water treatment.
  • 1.1K
  • 18 Jan 2023
Topic Review
Constructed Wetlands in the Hospitality Industry
The hospitality industry is increasing its awareness of how the integration of nature-based solutions can decrease its environmental impact while maintaining or increasing the service level of the sector. Constructed wetlands (CWs) constitute a promising sustainable solution for proper in situ domestic wastewater treatment but its use in the hospitality industry is scattered among both the technical and scientific literature. The research was to collect an updated profile of CWs implemented as wastewater treatment technologies in hospitality units worldwide, with the ultimate aim of creating a database containing information on the location, treatment design, and performance of these systems for use as a reference tool for future stakeholders.
  • 1.1K
  • 01 Aug 2023
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