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Topic Review
Nanomaterials as a Sustainable Choice for Treating Wastewater
The removal of dyes from textile effluents utilizing advanced wastewater treatment methods with high efficiency and low cost has received substantial attention due to the rise in pollutants in water. For the purpose of treating sewage, the special properties of nanoparticles are being carefully researched. The ability of nanomaterials to remove organic matter, fungus, and viruses from wastewater is another benefit. Nanomaterials are employed in advanced oxidation techniques to clean wastewater. Additionally, because of their small dimensions, nanoparticles have a wide effective area of contact. Due to this, nanoparticles’ adsorption and reactivity are powerful. The improvement of nanomaterial technology will be beneficial for the treatment of wastewater. 
  • 587
  • 14 Dec 2022
Topic Review
Threats to Sustainability
Plastics are a precious, versatile set of materials. The accumulation of plastic waste threatens the environment. Recycling plastic waste can produce many new products. The many opportunities for using plastic waste create pressure for a strategy to develop or improve current waste management systems to reduce the negative impact on humans, fauna and flora.
  • 3.3K
  • 13 Dec 2022
Topic Review
Geothermal Energy Reservoirs
Geothermal is a renewable energy source, but this is not as often seen as other renewable energy sources, such as solar, wind, hydro, etc. Two different types of geothermal energy sources exist in the world: (1) high entropy and (2) low enthalpy geothermal energy reservoirs. Geological characteristics and local temperature are used to classify geothermal reservoirs. 
  • 683
  • 12 Dec 2022
Topic Review
Mechanism of Remediation of Contaminated Soil by Nanoparticles
The varied sources of soil pollution include the application of chemical fertilizers and pesticides, industrial discharge, and transformed products of these accumulated chemical residues. These processes may hamper the composition and soil ecosystem. Different types of methodologies ranging from physical, chemical, and biological approaches have been exploited to tackle this challenge. Nanomaterials (NMs) research has contributed to a new dimension for the remediation of polluted soils.
  • 733
  • 12 Dec 2022
Topic Review
Climate, Urbanization and Environmental Pollution in West Africa
The need to elucidate the urbanization–climate–pollution nexus in West Africa arose from the several reported, but disjointed cases of climate extremes and environmental degradation in the sub-region. Since colonization and subsequent independence of nations in the West African region, several urban cities began to spring up and gradually grow. Urbanization was essentially characterized by population growth without complementary infrastructural development, weak coping strategies against climate extremes, numerous economic challenges, and high risk of environmental pollution. Initiative for urban renewal, urban greening and smart city development was low, and preparedness against future impact of extreme climate events and climate change is uncertain.
  • 642
  • 12 Dec 2022
Topic Review
Epigenetic Regulation in Chromium-Induced Carcinogenesis
Chromium (Cr)is a naturally occurring heavy metal widely distributed in soil, rocks, and living organisms. Cr primarily exists in two stable valence states: trivalent chromium [Cr(III)] or Cr(VI). Cr(VI) exposure can cause a series of adverse effects on the respiratory system (including asthma, bronchitis, and respiratory tract irritation), skin (including contact dermatitis, skin burns, blisters, and skin ulcers), gastrointestinal (GI) tract (including gastric ulcers and gastritis), and kidneys (acute tubular necrosis and renal failure).
  • 497
  • 09 Dec 2022
Topic Review
Food Security Analysis
Food security is related to human wellbeing and sustainable development and an important guarantee for world peace. In the context of global climate change, increased food demand, resource depletion, conflicts, and frequent public health emergencies, food security is widely seen as one of the top challenges. Food security research has obvious interdisciplinary characteristics, involving a wide range of fields.
  • 500
  • 09 Dec 2022
Topic Review
Valorization of Bread Waste into Value-Added Products
Bread is a universal food that is sold and consumed across the entire social and geographical spectrum. Bread waste is currently of increasing interest, as it is considered a huge global issue with serious environmental impacts and significant economic losses that have become even greater in the post-pandemic years due to an increase in cereal prices, which has led to higher production costs and bread prices. Meanwhile, many efforts have been initiated in the past decades to investigate methods of repurposing bread residues into fuel and chemicals such as bioethanol, biohydrogen, succinic acid, and various added-value products that can be exploited in versatile industries.
  • 1.1K
  • 09 Dec 2022
Topic Review
Heavy Metals in Agricultural Soils
Population growth and increasing food demand have led to an intensification of agricultural production systems, putting stress on soils and increasing soil contaminants. Some human-induced contaminants, such as heavy metals (HMs), are well-known and have been present in agricultural soils for a long time. In order to provide an overview of HMs in agricultural soils, it is important to investigate agriculturally related sources of contamination with HMs, behaviour of HMs in agricultural soils, as well as their interactions with soil microorganisms, fauna, and plants.
  • 699
  • 08 Dec 2022
Topic Review
Thermal Treatment Emissions Focusing on CO2 Parameter
Waste-to-energy (WtE) technologies can offer sustainable solutions for waste that cannot be further reused or recycled, such as the part of municipal solid waste (MSW) that is not suitable for recycling processes. The two main (most widely used) thermal treatment technologies that can be applied to MSW are direct combustion in an incineration plant and gasification. 
  • 280
  • 08 Dec 2022
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