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Topic Review
Social-LCA in Life Cycle Management
Social life cycle assessment (S-LCA) is an emerging and pivotal tool for sustainability evaluation of products throughout their life cycle (UNEP,2009). 
  • 522
  • 12 Jan 2022
Topic Review
Snowmelt Models
The snowmelt model is a hydrological model that simulates the processes of snow accumulation, melt, and confluence. Since the snowmelt process involves the complex energy transfer and water transfer processes between the atmosphere and snow, between different snow layers, and between snow layers and soil, it is more complicated than the formation process of rainfall runoff. If there is a rainfall event on snow, it is very difficult to simulate the runoff generation process due to the mixture of rain and snow. Snowmelt simulation is the basis for the simulation of snowmelt flood formation processes, and it plays a crucial role in accurately modelling snowmelt floods.
  • 1.0K
  • 29 Oct 2021
Topic Review
Smart City Governance Evaluation in Jiangsu
Based on literature review, expert consensus, and the fuzzy analytic hierarchy process, researchers developed an innovative smart city evaluation framework. In the framework, an index comprising three dimensions, i.e., smart economy, smart society, and smart environmental protection, as well as several attributes for these dimensions for smart city evaluation were established.
  • 349
  • 25 Jan 2022
Topic Review
Silvopastoral System in Morocco
The silvopastoral systems in Morocco, which combine trees, herbaceous resources, and livestock on the same unit of land, are a socio-economically and ecologically productive alternative to traditional management systems. Successful silvopastoral systems require effective limitation of agricultural expansion and deforestation phenomena, which could preserve the beauty and diversity of the landscape.
  • 577
  • 21 Oct 2021
Topic Review
Seaweeds in Producing Safe and Sustainable Bio-Packaging
Diverse studies demonstrate that seaweed polysaccharides (e.g., alginates and carrageenans) not only provide health benefits, but also contribute to the production of biopolymeric film and biodegradable packaging. The dispersion of plastics and microplastics in the oceans provoke serious environmental issues that influence ecosystems and aquatic organisms. Thus, the sustainable use of seaweed-derived biopolymers is now crucial to replace plasticizers with biodegradable materials, and thus preserve the environment. 
  • 2.8K
  • 24 Mar 2022
Topic Review
Salt Stress in Plants
Salinization of soils and freshwater resources by natural processes and/or human activities has become an increasing issue that affects environmental services and socioeconomic relations. In addition, salinization jeopardizes agroecosystems, inducing salt stress in most cultivated plants (nutrient deficiency, pH and oxidative stress, biomass reduction), and directly affects the quality and quantity of food production. Depending on the type of salt/stress (alkaline or pH-neutral), specific approaches and solutions should be applied to ameliorate the situation on-site.
  • 822
  • 23 Mar 2022
Topic Review
Remediating Endocrine-Disrupting Compounds
Over the years, the persistent occurrence of superfluous endocrine-disrupting compounds (EDCs) (sub µg L−1) in water has led to serious health disorders in human and aquatic lives, as well as undermined the water quality. At present, there are no generally accepted regulatory discharge limits for the EDCs to avert their possible negative impacts. Moreover, the conventional treatment processes have reportedly failed to remove the persistent EDC pollutants, and this has led researchers to develop alternative treatment methods. Comprehensive information on the recent advances in the existing novel treatment processes and their peculiar limitations is still lacking. In this regard, the various treatment methods for the removal of EDCs are critically studied and reported in this entry.
  • 465
  • 23 Nov 2021
Topic Review
Regional Economic Resilience in China
The notion of resilience has been increasingly adopted in economic geography, concerning how regions resist and recover from all kinds of shocks. Most of the literature on the resilience of coastal areas focuses on biophysical stressors, such as climate change and some environmental factors.
  • 281
  • 26 Sep 2022
Topic Review
Recovery of Rare Earth Elements
Rare earth elements (REEs) as defined by the International Union of Pure and Applied Chemistry (IUPAC) include metals characterized by similar properties, namely scandium (Sc), yttrium (Y) and all the lanthanides. The latter correspond to the chemical elements listed in the periodic table of Mendeleev that have an atomic number ranging from 57 for lanthanum (La) to 71 for lutetium (Lu). REEs are often subdivided into “light rare earths elements” (LREEs) and “heavy rare earths elements” (HREEs) according to their atomic numbers. Yttrium is oftentimes associated with HREEs due to chemical similarities, including ionic radii. In some cases, the elements from samarium to terbium are considered as the “middle rare earth elements” (MREEs). 
  • 807
  • 03 Aug 2021
Topic Review
Progress and Prospects of Forest Ecological Asset Research
There are several key scientific issues, these seven issues are hot research topics worthy of in-depth exploration in the future: the harmonizing of the definition of the concept of forest ecological assets; what should be the main focus of future research on forest ecological assets; the construction of an evaluation indicators system according to local conditions; the data assimilation methods of integrating ground-based positioning observations and space-based remote-sensing observations that complement each other; the study of the spatial and temporal heterogeneity of forest ecological assets; the study the net value of forest ecological assets; how to retain and increase the value of forest ecological assets; and how enhance the ecological carrying capacity of forests. These issues require further research.
  • 401
  • 07 Feb 2022
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