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This analysis examines the regulatory framework for the seaweed sector and its impact in the Baltic Sea region through a systematic literature review and quantitative approach. The study assessed legislation and policy documents at four levels of governance: international, European Union, regional and national. The aim of the study was to provide a comprehensive overview of the legal framework for the seaweed sector, to identify the main trends and challenges, and to assess its potential impact on the development ...

Windbreaks are key components of agricultural landscapes, mitigating wind erosion, protecting crops, enhancing microclimate stability, and supporting biodiversity. Despite their ecological and agronomic importance, spatially comprehensive inventories of windbreaks remain limited, particularly at regional and national scales. This study presents a semi-automated GIS-based method for identifying potential windbreak structures in the Malacky district of western Slovakia. Using the Land Parcel Identification System (L...

Omnicopters are fully actuated UAVs (unmanned aerial vehicles) with some special properties, such as the ability to fly in an arbitrarily chosen orientation. However, many of their characteristics, including their resistance to wind gusts, remain poorly understood. This paper presents a new multirotor design that can be used to conduct comparative studies. The proposed platform is an eight-engine aircraft, and its main advantage is the ability to rearrange four of the motors between two configurations when landed,...

The concept of circular economy (CE) is a fundamental change in the way we perceive and manage resources, production, and consumption. The transition to a circular economy is a major challenge at international level, considering the context of limited natural resources and the growth of the global population. As the consumption of resources continues to increase, it is essential to find ways to manage raw materials more efficiently and to reduce the anthropic impact on the environment. In this context, the authors...

Increasing the share of renewable energy sources for the generation of electricity in the public electricity network can have an important impact on the performance of the electricity system. An important problem in the electric power system is ensuring the continuity of the supply. The aim of the paper is to present a way to complement energy demand management and smart grids with models that follow changing energy production. This can be achieved by a holistic management system for diagnosis and risk assessment ...

The paper aims to analyze the economic performance of the Romanian aquaculture sector, the main objective is to evaluate key economic indicators in the context of environmental pressures and existing regulations, identifying opportunities and challenges for a sustainable development of the sector. To achieve the proposed objective, the research is based on an analysis of statistical data for the period 2014-2023. This includes economic indicators specific to the aquaculture sector, such as number of companies, num...

The general concern about climate change and the actions that must be taken to protect the environment are current concerns and occupy the first places on global agenda regarding the search for viable and sustainable solutions. Transition to green energy involves numerous intensely analysed issues with major implications for the economies of many countries. Thus, integration of renewable energy in oil and gas operations is an increasingly used strategy to reduce the carbon footprint and improve sustainability of t...

The problem of industrial ventilation has arisen as a result of the serious pollution problems that arise both in the industrial and industrial environments. Before addressing an industrial ventilation study, the question should be raised whether there is no simpler means of reducing or eliminating the causes of pollution or of reducing pollution by modifying the production process or the design and construction of the actual ventilation system . The commissioning of an industrial ventilation system occurs wheneve...

Industrial activities in the Jiu River basin, especially coal mining, have generated a significant impact on water quality over time, by releasing variable concentrations of heavy metals into the environment. This paper analyzes the trends of variation over time of the degree of heavy metal pollution in the Jiu River, considering the direct influence of the extractive industry in the area. The study is based on data collected from multiple water quality monitoring campaigns, covering an extended period, and aims t...

Babina Agricultural Enclosure is located in the northern sector of the Danube Delta near the Chilia branch, has undergone significant transformations over the decades. Originally designed as part of a large-scale aquaculture system, this area was later converted into agricultural land during the intensive land reclamation projects of the mid-20th century. However, following ecological rehabilitation programs initiated in the 1990s, Babina has regained its prominence as a important site within the Danube Delta Bios...

With the dynamic development of the internet, we are observing the development of modern technologies to facilitate the quality of public life in urban spaces. Therefore, in the context of urban development and urban space management, the concept of "smart city" has emerged, aspiring to be one of the most important research areas and topics of the 21st century. GIS (Geographic Information Systems) technologies play a key role in the development of smart cities, particularly in the area of environmental protection....

This study describes the use of a soybean oil oleogel structured with beeswax (4-6% w/w) as a fat replacer in gluten-free millet flour-based muffins. The oleogel was incorporated into the muffin formulation by replacing 100% of the conventional fat. The dough rheology was analyzed to evaluate changes in viscoelastic behavior, and the muffins were evaluated for their sensory and textural profile. The results indicated that the oleogel maintained the desired dough rheology and produced muffins with acceptable textur...

Arsenic (As) and antimony (Sb) are highly toxic, carcinogenic elements from the same group of periodic system. They occur naturally as oxyanions, predicting their affinity to anionactive adsorbents in aqueous environment. The differences in adsorption properties of arsenate (AsO43-) and antimonate (Sb(OH)6-) were tested on natural adsorbents (zeolite, biochar, birnessite, hydrated ferric oxides - HFO) in their original and iron (Fe) or manganese (Mn) - modified forms, using the model solutions of AsO43- and SbO43-...

Technical installations in explosive hazard environments have specially designed characteristics to ensure safe operation in such atmospheres. For safety reasons, it is essential to maintain the integrity of these special features throughout the entire lifespan of the installations through maintenance and inspection processes. In this operation it is necessary to use safety tools. These tools must be assessed and certified in accordance with the applicable requirements of the current legislation, regulated by Dire...

The fish farming infrastructure in the Danube Delta, including the Popina Fish Farm Enclosure, has been significantly impacted by environmental factors, particularly due to climate change. Located in the northeastern part of the Danube Delta Biosphere Reserve, near the Chilia arm and the Black Sea, this enclosure once played an important role in aquaculture activities. Currently, the main threat to the area is the high water levels of the Chilia arm, which place constant pressure on the protective dykes, increasin...

The egg is an animal-derived food with remarkable nutritional value, providing a balanced intake of essential nutrients and high digestibility, making it suitable for all age groups. This study aims to analyze the impact of different hen-rearing systems on egg characteristics, including their mass, the proportion of components (egg white, yolk, shell), and the content of minerals and metals. To determine the quantity of metals in the various egg components (shell, egg white, yolk), the X-ray fluorescence (XRF) met...

This study assesses low-cost biochars produced from locally available agricultural residues, corn (BC-corn) and straw (BC-straw), as reactive sorbents for in situ groundwater remediation of vinyl chloride (VC). Biochars were obtained by slow pyrolysis under inert atmosphere and characterized by N2-BET at 77 K, CHNS, FTIR, XRD, and SEM/EDS. Sorption experiments were performed at 20+/-2 C in a synthetic aqueous matrix and in Danube alluvial groundwater containing elevated VC (11.6 to 17.8 ug/L) with typical backgrou...

Biologically active food products have demonstrated their effectiveness in maintaining health and ensuring well-being. In recent years, these foods have been enriched with the addition of probiotics, polyphenols, vitamins, peptides or other substances with health benefits. The importance of probiotics in restoring the balance of intestinal microbiota has led to their increasing use by consumers. Thus, food products augmented with various probiotic strain formulas have been developed. A problem that always arises i...

The continuous accumulation of carbon dioxide (CO2) in the atmosphere represents one of the greatest challenges to achieving a sustainable and circular carbon economy. Traditional capture technologies based on aqueous amines are effective but suffer from high energy penalties, corrosion, and environmental toxicity. In contrast, bio-based polymers offer renewable, low-impact alternatives for CO2 capture and subsequent transformation. Chitin and its deacetylated derivative chitosan emerge as particularly promising d...

The goal of the study was the obtaining of Castanea sativa Mill., CS (sweet chestnut) antioxidant extracts and lipid fractions from skin and pulp, followed by nanoencapsulation in cyclodextrins (CDs). The nutritional and medicinal values of fruits are mainly due to the presence of low-gluten carbohydrates, vitamins, as well as essential fatty acids (FA), including omega-3. In this study, the KG variety was subjected to the Soxhlet separation of the lipid fractions (petroleum ether) and antioxidant polyphenols (eth...

Soil is an essential component of ecosystems, one of the most important natural resources and a significant factor in maintaining ecosystem health and biodiversity. Since 2002, the LUCAS (Land Use/Cover Area Frame Statistical Survey) project has been regularly implemented in the European Union to obtain data on changes in land cover and land use patterns, various environmental indicators, as well as indicators characterizing soil properties. Field studies were conducted and soil samples were taken within the frame...

A global challenge of our nowadays life is dealing with micro- and nano-plastic particles (MNPs), due to wide spreading all around us, persistence over the years, and toxic character, contributing to adverse effects on human health. As one of the biggest polluters worldwide, the textile industry including mechanical and chemical processes of fibers and garments generates various contaminants in the indoor air, including -white pollutants- with micro-nano plastic particles MNPs. This paper presents some methods for...

The purpose of the study is the evaluation of the bioeconomic potential of Western Romania in terms of determining the main agricultural and forestry products and the amount of available organic waste and by-products that can be integrated into the circular bioeconomy. The NUTS 2 administrative region West Romania consists of four counties: Timi?, Arad, Cara?-Severin and Hunedoara, which in total have more than 1.8 million hectares (ha) of agricultural land and large forested areas- a significant but not well expl...

The circular economy represents a systemic change in the economic model towards more efficient use of resources, reduction of environmental externalities and support of innovation. This article analyses the economic impacts and opportunities associated with the implementation of the principles of the circular economy in the European and Czech contexts. Based on a systematic literature review, analysis of strategic documents and selected empirical studies, the macroeconomic benefits, impacts on the labour market, b...

The research investigates the commercialization potential of algal biostimulants in the Baltic Sea region, considering the existing regulatory framework. Using quantitative analytical methods and a comprehensive literature review, the study assesses the economic, environmental and regulatory impacts of biostimulants. The results show that, on average, algal biostimulants can increase crop yields by 17.9%, generating additional income of пїЅ179,000 per 1,000 ha, reduce fertilizer costs by 15%, saving пїЅ45,000, and...

Accurate estimation of soil organic carbon (SOC) is critical for carbon accounting in high-altitude ecosystems, where variability in soil properties challenges the use of standardized conversion factors. This study assesses the validity of the Van Bemmelen conversion factor (1.724) for estimating SOC from soil organic matter (SOM) across contrasting Andean ecosystems within the upper Pastaza River watershed in Ecuador, with a primary focus on paramo. A total of 109 soil samples were collected at 30 cm depth using ...

Honey is rich in glucose and fructose, making it a quick source of energy. Honey has antimicrobial properties, can help digestion, has a probiotic effect, can soothe digestive irritations, is often used as a natural remedy for coughs and sore throats, having a soothing and antibacterial effect, contains antioxidants that help neutralize free radicals in the body. Polyfloral honey is produced by bees from the nectar of several species of flowers, hence the name "polyflora". The physicochemical analyses carried out ...

With the growing interest in using hydrogen as a clean and sustainable energy source, the processes of obtaining, transporting and storing it are becoming increasingly relevant. In the event of industrial technological breakdowns, rapid and efficient intervention in hazardous environments requires the selection of specialized personnel, capable of operating in extreme conditions. Interventions in potentially explosive atmospheres require not only rigorous technical training, but also optimal physical and psycholog...

The present paper presents the transfer to the virtual environment and CFD analysis of physical experiments on the explosions of air-hydrogen mixtures carried out on a transparent stand, in the shape of a rectangular spiral. The shape of the stand was designed with the intention of directing the explosion process of the fuel mixture on a rectangular-spiral trajectory, with angles of 90 degrees. The free volume inside the spiral was sectioned by four foiled shutters into four ignition/combustion chambers, the first...

This study investigates the propagation of hydrogen explosions in confined environments, focusing on the influence of geometry on explosion dynamics. Experimental models were developed to analyze the impact of spatial constraints on pressure rise and flame acceleration. Key parameters, including maximum pressure, flame front velocity, and pressure rise rate (dp/dt), were monitored and analyzed. The results highlight that changes in propagation direction significantly influence explosion behavior, leading to higher...

The geomagnetic field varies in time and space, being a signal composed of periodic and non-periodic elements and is monitored in a tri-axial system within the geomagnetic observatories of the INTERMAGNET network across the planet. In the work, based on these data, we use for spectral evaluation (Fourier, wavelet, signal decompositions in approximations and details with various functions on different levels, etc.) in order to analyze different geomagnetic phenomena (such as: geomagnetic storms, disturbances, etc.)...

The Creative Urban Workshop provided by architects and artists from RTU at Vienna SGEM international conference at December 2025 regarding Islandes Square, Kipsala, Riga, invites international experts and activists to give collaboratively envision a vibrant, multifunctional, and ecologically responsible public space. Positioned as the future -gate- to the RTU campus, Islandes Square offers a unique opportunity to integrate human-scaled urbanism with sustainable design. The workshop includes an introductory talk, o...

In this work we present the particularities of three standing water NATURA 2000 habitats from southwestern section of Romania (Banat region). This study brings information about the current status of these three habitats and based on this appropriate management measures can be taken or reviewed. The studied habitats are: 3130 Oligotrophic to mesotrophic standing waters with vegetation of the Littorelletea uniflorae and/or Iso-to-Nanojuncetea, 3150 Natural eutrophic lakes with Magnopotamion or Hydrocharition and 31...

Organizations increasingly recognize the importance of workflow management in achieving resource efficiency and environmental goals. This study presents a data-driven approach to monitoring and analysing employee workflow as an integral part of green and circular organizational systems. By incorporating digital activity data such as software usage patterns, communication frequency, meeting durations, and the intensity of multitasking, organizations can identify inefficiencies, digital waste, and work practices tha...

Analyzing fire debris is essential for identifying accelerants that may indicate arson. Detecting fire residues remains a significant analytical challenge due to the complexity of burned materials, the volatilization of key compounds, and the interference of pyrolysis byproducts. However, chromatographic separation techniques and mass spectral selectivity advancements provide promising avenues for improving detection accuracy and reliability. Recent developments in portable Gas chromatography-mass spectrometry (GC...

The aim of this work is to determine the concentration of heavy metals in a series of toys used by children and compare them with the regulations in force. The presence of heavy metals in plastic toys is a significant concern to potential health risk to children. Various studies have identified a range of heavy metals in toys including lead, cadmium, mercury, chromium, zinc and other metals which can pose serious health hazards if ingested or absorbed through the skin. Many additives and catalysts used in plastics...

In the era of advancing digitization, the application of Building Information Modeling (BIM) technology in the construction industry is increasingly evident at advanced level. However, the use of BIM tools during the operational phase of buildings-beyond traditional design and construction-remains a niche area, with integrated digital facility management practices still limited in adoption. In this article, the authors focus on presenting an example of pilot project of implementation of the digital Common Data Env...

The development of geospatial technologies in recent years has profoundly changed the field of topography and cadastre. Now, digital methods using LiDAR, drones, GNSS, and multispectral imaging provide a detailed three-dimensional picture of land, buildings, and ecosystems on campuses. This research examines the combined use of digital topography and remote sensing technologies to manage and capitalize on the resources of the University of Life Sciences "King Mihai I" from Timisoara. By integrating data from LiDAR...

This paper investigates the relationship between technological advancement and sustainability, specifically examining whether countries with larger digital workforces and higher income levels use energy more efficiently. Drawing on annual data from 27 European countries between 2013 and 2023, we analyze three key indicators: the number of employed ICT specialists ([isoc_sks_itspt]), real GDP per capita in chain-linked 2020 euros ([sdg_08_10]), and energy intensity of GDP in chain-linked 2015 volumes ([nrg_ind_ei])...

The recurrence of droughts increased in the past decades and is foreseen to intensify affecting larger areas than today. As agriculture is among the economic sectors most vulnerable to climate change, with drought representing a key challenge for crop productions, this study assesses the probability of yield loss for major Romanian crops such as, winter wheat, maize, sunflower, grape, in response to varying intensities of drought. To achieve this, a probabilistic modeling framework was constructed, integrating the...

The article highlights the critical role of liquidity management in banks and underscores the need for legislative-level changes in regulation and the assessment of climate risks in banks to achieve financial stability. Banks face growing expectations from regulators and society to integrate environmental, social, and governance (ESG) criteria into their business practices, as well as strengthen liquidity and control over climate risks. The article highlights the importance of prioritising the correct regulation o...

The research investigates the impact of persistent organic pollutants, particularly pesticides, on the aquatic ecosystems of the Jiul de Est basin. Pesticides are introduced into water bodies via surface runoff, infiltration, and atmospheric deposition, and their bioavailability is influenced by factors such as pH, temperature, and dissolved organic matter. The research evaluates the ecotoxicological effects on key aquatic species, including Salmo trutta fario (river trout) and Squalius cephalus (common chub), by ...

The global climate and biodiversity crises demand an educated, globally literate citizenry, yet a significant gap exists in engaging diverse, multilingual student populations in Environmental and Earth Sciences (EES). This research argues for a transformative pedagogical fusion that integrates EES content with language acquisition strategies in multilingual classrooms. Moving beyond simple translation, we propose a language-sensitive, content-rich approach that leverages students linguistic repertoires as assets f...

The article discusses the advantages of using cryogenic technology in the production of gravel filter elements. A method for calculating the main components for the production of temporarily monolithic annular gravel elements is described. An approach has been developed for the strength analysis of annular gravel filter bits, taking into account installation conditions and the effect of water flow in the aquifer. An analytical calculation was performed to determine the distribution of gravel packing in the behind-...

The volatile fatty acids (VFAs) are a valuable source of hydrogen on fuel industry or precursors of polyhydroxyalkanoates, a highly in trend and non-toxic bioplastics. However, the VFAs generation costs are expensive. Therefore, this study proposed a recycling solution of the waste activated sludge (WAS) into VFAs by non-conventional treatment with tandem steps of energic and slow oxidation in alkaline media by hybrid treatment with ozone and sodium percarbonate (SPC), followed by semi-aerobic fermentation at 22oC...

Ensuring safety from the point of view of the air is determined by the importance of re-ducing the risks of untimely appearance of toxic and explosive gases in the underground workings of the salt mine, while maintaining safety and security sanity at work by monitoring and foreseeing possible failures and voluntary conscious actions under-ground. Still keeping in mind the context of the society from the socio-political-economic point of view and for the development of knowledge in the problem studied the following...

Horizontal composite tanks represent critical components in industrial applications where achieving an optimal balance between mechanical performance, material efficiency, and environmental impact is essential. This study investigates the environmental performance of structurally optimized glass-fiber-reinforced polymer (GFRP) horizontal tanks featuring progressive rib thickness configurations. The composite laminate optimization was carried out through advanced numerical simulations in ANSYS Mechanical 2024 R1, c...

The working environment specific to underground activity under normal operating conditions refers to the type and concentration of gases specific to the underground atmosphere (O2, CO2, CH4, CO, N2, CnHn), the humidity present in the underground atmosphere, the type and concentration of suspended dust, barometric pressure, air temperature, air speed, flow rates, etc. In order to know the normal environmental conditions specific to an underground workplace, specialized measurements and laboratory determinations are...

To increase the adoption of recycled plastics in the construction industry and to make this material economically viable, it is of outmost importance to develop technological processes that can make contaminated or dirty plastics useful. This study applies an Euler-Lagrange numerical approach to evaluate the suitability of injection moulds for optimized structural elements made from contaminated recycled polyethylene and to check if the mould shapes are compatible with a normal injection technological process. The...

The transition to a sustainable energy system is one of the European Union's key strategic directions, in line with achieving climate neutrality by 2050, as outlined by the European Green Deal. The Black Sea region has considerable potential for renewable energy sources, particularly offshore wind, solar, and biomass. Due to this potential, the area has become a hub for European initiatives focused on increasing the share of renewable sources in the regional energy mix, and consequently, on energy security and red...