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Topic Review
Contributions of Nano-Nitrogen Fertilizers to Sustainable Development Goals
Nano-nitrogen fertilizers (NNFs) have emerged as a promising technology in the field of agriculture, offering potential solutions to improve nutrient uptake efficiency, enhance crop productivity, and reduce environmental impacts. NNFs showed superior characteristics and performance on crops and, therefore, became a potential alternative to conventional nitrogen (N) fertilizers. These fertilizers enhance plant uptake while simultaneously reducing environmental losses. For example, a hydroxy appetite-based urea NNF extended the N release for 112 days, which could cover the N demand of many perennial crops, thus reducing losses. 
  • 230
  • 19 Dec 2023
Topic Review
Reducing Carbon Emissions from Maritime Tourism
Reducing the carbon emissions from hotels on non-interconnected islands (NII) is essential in the context of a low carbon future for the Mediterranean region. Maritime tourism is the major source of income for Greece and many other countries in the region, as well as hot-temperate and tropical regions worldwide. Like many NIIs, Rhodes attracts a high influx of tourists every summer, doubling the island’s energy demand and, given the high proportion of fossil fuels in the Rhodian energy supply, increasing carbon emissions.
  • 229
  • 15 May 2023
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.
  • 229
  • 29 Jan 2024
Topic Review
Benefits of Non-Commercial Urban Agricultural Practices
Urban agriculture refers to any type of activity located within or around a city designed to provide ecosystem services. Given the rapid population growth and urbanization, urban agriculture is seen as a potential alternative route to a more sustainable urban food system. Indeed, it has multiple functions, contributing to a variety of outcomes associated with localized urban food systems, including food access, food and agriculture education, community building, and civic engagement. Moreover, implementing non-commercial urban agricultural practices has multifaced social, economic, and environmental benefits, such as improving people’s health, reducing expenditure on food and creating sustainable cities, highlighting the need to recognize the multifaceted role of non-commercial urban agricultural practices in promoting a more sustainable lifestyle and strengthening local communities and engagement.
  • 229
  • 04 Feb 2024
Topic Review
Passenger Cars Driven on Hilly Roads in Austria
Previous studies of road or railway infrastructures have shown that traffic emissions outweigh the environmental impacts of the product stage and construction stage over the entire life cycle. Traffic usage is therefore the main emitter over the life cycle (A1–C4). Due to the small number of sustainability assessment systems, the question of how to consider traffic emissions in detail in an integral life cycle assessment has arisen.
  • 228
  • 01 Feb 2024
Topic Review
Bioclimatic Building Design
Bioclimatic building design emerges as a holistic approach to sustainable architecture that integrates the built environment with natural elements. Bioclimatic building design’s capacity to significantly reduce energy consumption, enhance occupant well-being, and shape sustainable behavior has been well documented in existing research. 
  • 228
  • 21 Feb 2024
Topic Review
Innovative Photovoltaic Cooling System (IPCoSy)
The field efficiency of silicon-based solar cells is dependent on various factors, including temperature. An increase in temperature results in a reduced efficiency of a magnitude dependent on the solar cell’s temperature coefficient. Furthermore, an increase in solar cell temperatures beyond levels specified by the manufacturer will result in a reduced lifetime and an increased probability of potential induced degradation and even failure. A patented Innovative Photovoltaic Cooling System (IPCoSy) is presented here. The full-scale prototypes are the same size as commercially available photovoltaic modules, making them easier to integrate in the current market. Designs can be commercially viable, especially when coupled with other systems such as reverse osmosis plants and water heating. 
  • 227
  • 25 Dec 2023
Topic Review
Net-Zero-Carbon Cities
The Net-Zero-Carbon Cities concept has not been unified in terms of its definition since its development. However, in terms of their objectives, net-zero-carbon buildings are cheaper to operate, healthier, and more resilient than typical buildings and can bring considerable environmental, social, and economic benefits to cities and communities with rapid and cost-effective reductions in emissions and energy consumption.
  • 224
  • 11 Sep 2023
Topic Review
Tectonic Geodesy Synthesis of the North Aegean Region
Satellite geodesy, an indispensable modern tool for determining upper-crust deformation, can be used to assess tectonically active structures and improve our understanding of the geotectonic evolution in tectonically active regions. A region fulfilling these criteria is the North Aegean, part of the Eastern Mediterranean. It is one of the most tectonically, and hence, seismically, active regions worldwide, which makes it ideal for applying a satellite geodesy investigation. 
  • 224
  • 11 Sep 2023
Topic Review
Sustainable Solutions for Small/Medium Ports
Ports are under increased pressure to reduce their negative climate and environmental impacts. Their roles and functions in transportation systems and the economy make them a key industry in promoting sustainability. In particular, small- and medium-sized ports (SMSPs) should serve as lighthouses or flagships of environmental and digital transformation, allowing access to remote locations and integrating peripheral regions. 
  • 224
  • 21 Sep 2023
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