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Topic Review
Hydrogen Storage
Hydrogen is one of the main energy carriers playing a prominent role in the future decarbonization of the economy. However, several aspects regarding the transport and storage of this gas are challenging. The intermediary conversion of hydrogen into high-density energy molecules may be a crucial step until technological conditions are ready to attain a significant reduction in fossil fuel use in transport and the industrial sector. 
  • 596
  • 18 May 2023
Topic Review
Built Environment Factors and Residential Land Carbon Emissions
Evaluating the effects of built environment factors (BEF) on residential land carbon emissions (RLCE) is an effective way to reduce RLCE and promote low-carbon development from the perspective of urban planning.
  • 590
  • 13 May 2022
Topic Review
Sustainable-Big Data Analytics for the Smart Grid
The smart grid enables efficient communication between utilities and the end- users, and enhances the user experience by monitoring and controlling the energy transmission. The smart grid deals with an enormous amount of energy data, and the absence of proper techniques for data collection, processing, monitoring and decision-making ultimately makes the system ineffective.
  • 586
  • 21 Dec 2021
Topic Review
Human Settlement Research on Climate Change Response
The RCHSCC (the research characteristics, stages and planning of carbon-oriented climate change response research in human settlements based on the literature related to research on carbon-oriented human settlements for climate change) predicts three major trends in the future—climate risk management, carbon technology upgrading and urban security and resilience—and offers three recommendations for governments and planners in terms of climate change adaptation and low-carbon and efficient development in human settlements.
  • 583
  • 01 Nov 2022
Topic Review
Treatment Wetlands in Natural Swimming Ponds
Natural swimming ponds using treatment wetlands (TWs) as an element of treatment of swimming water are an ecologically beneficial alternative to conventional pools. Unlike conventional swimming pools, in natural swimming ponds, the water treatment avoids the use of chemical methods and is based on the phenomenon of water self-purification and the rhizofiltration capacity of repository macrophytes in TWs of the regeneration zone, as well as on typical physical filtering processes (e.g., straining, sedimentation, or flotation), physicochemical filtration (physical and chemical adsorption, mainly of phosphorus), and biological filtration (nitrification and denitrification). 
  • 574
  • 30 May 2023
Topic Review
Lignocellulosic Biomass as a Renewable Source
Lignocellulosic biomass is the primary structural component of plant matter and is mostly inedible, generally referring to organic materials such as wood, grass, and agricultural crop residues. Biomass is a plentiful and carbon-neutral renewable energy source that may be used to create platform chemicals and fuels, especially considering that up to 75% of initial energy can be converted into biofuels.
  • 573
  • 13 Oct 2022
Topic Review
Electronic Nose and Traditional Methods of Ammonia Detection
Ammonia (NH3) represents a perilous gas that poses a substantial hazard to both human well-being and the environment, particularly within agricultural regions. Agricultural activities constitute a primary source of ammonia emissions. Thus, effective monitoring and measurement of ammonia sources in agriculture are imperative for mitigating its adverse impact. However, not all existing ammonia detection methods are suitable for discerning the low concentrations typically encountered in agricultural ammonia volatilizing (ranging from 0.01 to 5 parts per million). Consequently, curtailing ammonia volatilization from farmland assumes paramount importance, with real-time monitoring serving as a crucial mechanism for assessing environmental contamination and minimizing agricultural ammonia losses. Deploying appropriate detection methodologies ensures that requisite measures are taken to safeguard human health and the environment from the deleterious repercussions of ammonia exposure.
  • 568
  • 09 Aug 2023
Topic Review
Framework Proposal for Achieving Smart and Sustainable Societies
The proposed model is based on the integration of three smart strategies: (1) water provision that consists of the use of greywater and rainwater; (2) sanitation provision that comprises the nutrients recovery from excreta and organic solid waste and; (3) resource-oriented agriculture that conceives the use of the water provision system for the production of food with the use of nutrients recovered from the sanitation system. The S3 framework has the potential to increase the well-being, human development, water availability, food safety, poverty alleviation, and healthy environments of societies through the provision of safely managed basic services as well as the recycling of nutrients and water to achieve sustainability at household and community levels.
  • 567
  • 29 Nov 2021
Topic Review
Sustainable Construction Projects
There are several definitions of "sustainable construction", but it is positioned as a relevant contemporary issue aligned with the efforts needed to achieve sustainability and development. Sometimes its focus is limited to the environmental dimension, but it must encompass all three pillars: environmental, social, and economic aspects in its scope to be considered sustainable:  Environment: Focusing on the protection of the environment through the reduction of ecological impacts, resource utilization, and waste production. Social: Integrating health and safety aspects in construction and the area of influence, as well as conflict resolution for all stakeholders.  Economic: Integrating efficiency and savings, quality assurance, and profitability. Complemented by the result of the application of biomimetic methodology: the biocircular model.  In this model, it is established that construction processes must be efficient and dynamic, considering the human dimension, management, and technical knowledge to achieve objectives.  In addition, the circular economy approach focused on reuse, recycling, durability, and optimization. 
  • 566
  • 13 Dec 2021
Topic Review
The Status of Embodied Carbon in Building Practice
Embodied carbon data exist to evaluate all life-cycle stages of buildings in the U.S, however the data development are mainly focus on A1-A3 stage, more effort are needed to collect data on life cycle B and C stages. In addition, not all databases are regularly maintained and with back-end documentation of their data sources and methodologies easily available for end-users. A robust database is the backbone of reliable LCA analyses. Data collection and reporting guidelines are needed for supply-chain specific and facility-specific data and for transport and construction data. Guidelines for data standardization and transparency are also needed.
  • 558
  • 28 Mar 2022
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