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The purpose of the research is to analyze the development of techniques and the formation of ESG -Rating and investment attractiveness of natural resources companies. The basis of the author's technique laid calculation complex rated on the basis of financial and non-financial indicatives: air pollution; water usage; solid waste emission; environmental costs; investment activity. The developed method scientific novelty is in the usage of a systematic approach to the development of the ESG - Rating and due to the a...

The economic development of the Arctic region is a priority for the Russian Federation in the coming years, and this creates new challenges for Russian science in developing technologies and devices that can reliably and effectively function in the harsh conditions of the deeply negative temperatures of the northern territories. The paper examines the basic principles of low-temperature operation of molecular-electronic devices for recording motion parameters and wave fields, namely, the step-by-step operation of ...

The COVID-19 coronavirus pandemic has negatively affected all sectors of the economy around the world. At the same time, tourism was one of the most affected business sectors. The history of tourism shows that the industry is exposed to crisis phenomena earlier than any other sphere of economic activity, but it adapts to new conditions much faster and more flexibly. The crisis of 2020-2021 is usually compared with other crises that the tourism industry experienced in the 2000s in Russia. In this paper the characte...

A Geopark is a demarcated area with particularly interesting geologic heritage. Since the physical landscape is intimately related to both cultural and ecological characteristics, knowledge about geological sites can be essential for management of the resources in these settings. In this context, we suggest the term “Landscape Geopark” in order to stress the regional system perspective. Therefore, various stakeholders need to be included in Geopark planning, including researchers, tourists, seasonal and permanent ...

Due to the general development of society, advanced technologies, constantly growing information and globalization, the complexity and dynamics of organizations are also increasing. In times of economic instability, organizations are clearly experiencing a chaotic period in which they try to understand what is going on, try to adapt, learn new technologies, improve, and transform communication channels and train people to share information. Such changes usually also affect the operation of the organization, often ...

Usage of new complex applications and systems will force most companies to rethink time and human resources, motivate them to automate processes where human intervention can be done or is needed at a minimum. However, safety in the technical world is a serious concern, companies that make any kind of decision cannot skip this aspect. The pace at which new technologies and methods are being adapted is currently based on very rapid external pressures. The current situation in the world is undoubtedly a huge challeng...

The growing importance of a cultivated environment with a high population density was an incentive for the authors to find and compile a new, more sensitive sophisticated approach to the valuation of immovable cultural monument. Primarily, objects with significant historical and architectural value were examined, for which there was a high possibility of finding and defining suitable criteria with an impact on the valuation of real estate. The research focused on immovable cultural monuments located in the statuto...

The article presents the data obtained by the authors during the expedition research in the largest bay of the Azov Sea - the Taganrog Bay. Its characteristic feature is shallowness, flowing due to water exchange with the Don, small rivers, and the development of surge phenomena. The ecosystem of the bay has been experiencing strong anthropogenic pressure for several decades. The authors analyzed the behavior and distribution of mercury dissolved and suspended forms in the surface and bottom layers of water, depen...

The work is devoted to the assessment of the natural protection of groundwater in the Ternopil oblast (Ukraine). The evaluation is based on the parametric method of V. M. Holdberh. The characteristics of the geological structure of the aeration zone and aquifers are given. The areas of the greatest influence of karst on the protection of aquifers are determined. The stratigraphic confinedness of water intakes and large deposits of groundwater is described for further analysis of their protection. Since more than 5...

Vulnerability, land use and sustainability are some of the main elements of major concern in the last decades that can be translated in practice through efficient development and planning. The role land use plays is recognized worldwide due to the rapid and continuous urban growth and development, which determine the occurrence of new powerful forces leading to social, demographical, environmental, technological and governmental changes. The large number of disasters in recent years demonstrated that the most effe...

Europe currently faces a range of serious ecological problems, such as collapse of avifauna, decline of pollinator biodiversity and widespread soil erosion. Multiple factors affect ecological processes at landscape and regional scales. Most recent European Union (EU) agenda intends to address biodiversity decline and climate change by implementation of green infrastructure, sustainable agriculture and forestry, as well a range of other interventions. However, European Commission generally moves towards decentraliz...

The cycle of nitrogen is an essential, integral process in nature. Since amino acids form an important part of life-building and maintenance, nitrogen and its chemical compounds are an integral nutrient and ingredient for all living organisms. Understanding the processes in soil is essential because it helps both to ensure agricultural productivity, to control various, soil-based, unwanted pests and diseases, and, crucially, to limit climate change-related factors directly related to soil. The nitrogen cycle resea...

Among the global threats facing humanity in the 21 century, the danger of climate change on Earth occupies a prominent place. Global climate change caused by anthropogenic factors can lead to natural disasters and, as a result, have a negative impact on human life and health. Given the importance of this problem, international organizations, governments, politicians at all levels, NGOs and society as a whole are involved in solving it. The purpose of the study is to determine the forms, activities and results of t...

Many operations with flammable liquids produce flammable atmospheres by evaporation of the liquid being handled. In some circumstances, the flammable atmosphere is not due to the liquid being handled but due to residues of volatile liquid or vapor from earlier operations with the same equipment as is often the case with diesel fuel handling. This paper highlights some aspects regarding the danger of fires and explosions in the transport, storage and distribution of diesel fuel starting from the investigation of th...

The aim of the study is to construct a priori constraints imposed on the model in the course of solving the inverse seismic problem. The object of the simulation is the structure of the upper part of the Khibiny massif — the largest alkaline massif located on the territory of the Kola Peninsula. The research is based on shallow-depth seismic tomographic modeling, which includes multi-stage work. Petrophysical materials concerning the main classes of rocks of the surface of the Khibiny massif and its framing were p...

Asellus aquaticus Linnaeus, 1758 is the widespread and common Palearctic freshwater isopod, feeding on detritus. This crustacean, probably, has its ancient evolutionary origins around Siberia and has spread from there to Western Europe and North America. Commonly associated with a temperate climate, it has been recorded as far south as the Mediterranean, and as far north as Scandinavia. The species is primarily associated with the b-mesosaprobic waters of the palearctic realm i.e., high concentrations of dissolved...

Gamma-ray spectrometry is one of the most important and informative methods for various geological surveys. In field geophysics on the surface or in the air, the method is used for regional geological zoning, mapping of bedrock outcrops, etc. The most promising direction of geological surveys today is research with the use of UAVs. Conducting gamma-ray spectrometry using UAVs is complicated by the need to accumulate a large number of measurements to construct the correct gamma-ray spectrum. From this point of view...

Natural processes and human influences can cause several environmental issues upon urban and rural aquatic systems, especially in deltaic environs. This study was aimed to assess the vertical variation in the physical-chemical and lithological characteristics of core sediments. 14 undisturbed short sediment cores were collected from soft lacustrine sediments in various shallow lakes situated in the Matita-Merhei interdistributary depression, Danube Delta, Romania. Sediment samples were measured for temperature, pH...

The European Plate Observing System (EPOS), is a multidisciplinary, distributed research infrastructure that facilitates the integrated use of data, data products, and facilities from the solid Earth science community in Europe. The EPOS pan-European dimension is corroborated by 25 countries, 5 international organizations, 149 national research organizations and 256 research infrastructures involved in the data and service provision. The legal and governance framework designed during the Preparatory Phase and deve...

In north-eastern Bulgaria, within Moesian Platform, one commercial oil and gas field and several smaller semi-commercial gas accumulations, located onshore, have been established. In continuation of this tectonic unit in Western Black Sea Basin there are several more accumulations of hydrocarbons. The object of this research is NE part of Moesian platform in Bulgaria onshore and offshore. The purpose of the present study is clarifying the source rock potential of the sediments by burial history and thermal maturit...

The scientific interest of evaluating the thermal regime of various areas has come to the fore with a more complete understanding that all major processes inside the Earth are related to thermal events and that all physical properties of rocks, as a basis for observed geophysical phenomena, are more or less dependent on temperature. The characterization of the thermal regime is followed by the basic elements: temperature and geothermal gradient, thermal conductivity and geothermal flow. The quantitative study of g...

The article deals with the issues of domestic tourism. It is proposed to use the ideas of synergetics to assess the development opportunities of the tourism business in three regions of the Arctic zone of the Russian Federation, taking into account their physical, geographical and economic position. Tourism resources, types of tourism and accommodation facilities were discussed, as well as types of recreational activities in these areas. It is shown that the tourism business is an interdisciplinary science, as it ...

The priorities in the policy of the energy sector of the Republic of Bulgaria after 1989 are in harmony with the requirements of the European directives and market mechanisms. An important aspect is the policy to promote the use of renewable energy sources (RES), which aims to achieve sustainable energy development and improve environmental performance. It is also related to the implementation of the commitments made by the Republic of Bulgaria regarding the United Nations Framework Convention on Climate Change (1...

The spectral characteristics of the ULF waves (1mHz -1Hz) provide useful information about the conditions in the solar wind and in the magnetosphere. A series of geomagnetic field variations data are collected by the tri-axial search-coil instrument and acquisition system located at Panagjuriste, Geomagnetic Observatory (PAG), Bulgaria and other series of data are collected from two different instruments located at Conrad Observatory (WIC), Austria and Ebro Observatory (EBR), Spain, which operate within INTERMAGNE...

The global problems of the functioning of the economy, industry and energy are among the most important areas of scientific interest and knowledge. Renewable energy sources play a significant role in the global energy sector. The potential applications of these sources are almost limitless, which makes it possible to expand the list of energy resources used. With the economic growth of the forest, woodworking and pulp and paper industries, waste from the wood used in processing-bark and branches, wood chips, scrap...

The purpose of this study is a spatial-dynamic and structural hygienic assessment of the impact of the activities of thermal power facilities on the quality of atmospheric air and the formation of potential risks of harm to the health of the population in a large industrial center with a population of more than 350 thousand people and a total area of more than 500 square kilometers. At present, heat and power facilities belong to the main industries and form significant potential risks of harm to public health in ...

The paper investigates the problem of determining the interinfluence of production and injection wells on a single development target. To solve this problem, we develop a stochastic reservoir model, which is a variant of extended Kalman filter. The model is some simplification of the hydrodynamic model. Its purpose is to estimate interwell permeability through production history. We discuss different variants of the model, which vary basing on availability of certain input data. On the baseline, the model can only...

The wind energy is substantially growing in the last decade, but the biggest challenge remains the prediction of the performances of the wind turbines. The increasing energy demand and climate changes forced us to commit quick decisions and to develop efficient solutions. One of the solutions can be repowering and significant changes in transmission systems to deliver it through the electric grid. Fantanele Cogealac is the largest onshore wind farm in Romania. The wind farm exist since 2012, so in at least 10 year...

This paper aims to explore the degree of intensification and extensification of agricultural practices followed by farms of different economic sizes and the type of farming in Latvia. While intensification is considered as an effective way of achieving agricultural independence at supra-national and national levels, more voices are raised against an increasing demand for energy and unsustainable agricultural activities causing irreparable damage to natural habitats and reducing biological diversity. Although farmi...

Most methods of mining waste water treatment require significant costs for the construction and operation of tailings. Their area is calculated from the sedimentation time of impurities and suspended particles. The paper shows that an effective way of mining waste water treatment is flocculation of impurities and suspended particles and the subsequent flotation of the resulting flocs. Based on the results obtained, the Mining Institute KSC RAS has developed a technology for mining waste water treatment, including ...

The increase in the price for non-renewable energy resources has led to the finding of cheap alternative fuel solutions that can meet the growing demand for energy. The objective for the researchers is to use renewable energy as an alternative energy source to produce green energy. Over time, researchers have developed several types of shapes for the wind turbine: small, which have a generation capacity of 50-60 KW of power; On average, they have a capacity between 50-1500 KW and large, capable with a capacity of ...

?Ensure sustainable consumption and production patterns? is one of 17 goals of The 2030 Agenda for Sustainable Development, adopted by all United Nations Member States in 2015. The target is by 2030, substantially reduce waste generation through prevention, reduction, recycling and reuse and the key indicator is the Recycling rate measured by tons of material recycled. The aim of the research was studying of the regional aspect of municipal waste management disparities in Bulgaria. The progress for achievement of ...

The environmental problems of developing solid mineral deposits are largely associated with the need to store waste from mineral mining and processing. Such wastes occupy tens of thousands of hectares and are a source of pollution of atmospheric air, soil, surface and groundwater as a result of wind and water erosion. Large areas of stored waste determine the reasonability of using remote observation methods for assessing their conditions in order to make informed decisions aimed at improving the ecological state ...

In this paper, we propose a mathematical model and an appropriate algorithm that allows one-time measurement of the frequency response and phase response of the MET sensor under normal conditions to construct a complex transfer function of the MET at any other temperatures from the allowable range of -35 + 55 °C with the experimental accuracy not worse than a few percent. This model and the algorithm for setting up and selecting thermocompression circuits of electronic amplification and filtration circuits introdu...

Mining activity entails accumulation of sulfide?bearing mill wastes with high concentrations of ore elements (Fe, Cu, Zn, Cd) and impurities (As, Hg, Be, and Tl). The volumes of hazardous sulfide-containing mining waste in non-equipped storage facilities according to modern standards reach several billion tons in Russian Federation. The handling of abandoned waste in our country is not currently regulated, the question remains open: there is no established methodology for estimating stockpiles and handling of wast...

Floods are exceptional processes, observed in daily life as part of the hydrological cycle or as unusual extreme events. As a result of significant precipitation, snowmelt or/and anthropogenic pressures and technogenic disasters river flow rapidly increase causing an overflow on rivers floodplain with possible damages on the crop, households, economy, infrastructure, social life, etc. Observed consequences depend on the local conditions. They can be negative or insignificant in case of comparatively minor floods, ...

The article presents a detailed study of the close relationship between the content of total dissolved iron (Fetotal), Fe2+, Fe3+ on the one hand and physical and chemical parameters (Eh, pH, salinity (S), water temperature, electrical conductivity (Cond), the content of molecular oxygen and its saturation percentage in the section "Don River - Sea of Azov" on the other under various weather conditions. Correlation coefficients, as a quantitative measure of the tightness of the connection, varied over a wide range...

The results of instrumental observations of the acoustic effects caused by stronger earthquake with the magnitude mb = 5.7 which occurred in Iran on July 08, 2019 are given. The observations were carried out at three pointes: Geophysical observatory "Mikhnevo" (54.94° N; 37.73° E), Center for geophysical monitoring in Moscow (55.70° N; 37.57° E) of Sadovsky Institute of Geosphere Dynamics of Russian Academy of Sciences and at a point located in Zvenigorod town, Moscow Region (55.69° N; 36.77° E), which provided th...

In our scientific approach we have sought for showing who are the main actors of the financial markets, i.e., those persons who decide, directly or indirectly, on all the events which may occur on the said markets but, above all, on those who require a sustainable financing of long term impact on mankind. Such persons hold positions on various levels of the financial entities but all of them have a decisive role in the making of most of the decisions which have as a result various actions on those markets, either ...

The Volinian Adancata sandstone (Lower Sarmatian) is exploited from the northwestern part of the Moldovian Platform, which represents the continuation of the great East-European Platform and which lies in front of the Eastern Carpathians (in Eastern Romania). Adancata sandstone is a slightly micaceous carbonate sandstone that has been exploited since the Middle Ages to the present, with some temporal syncopes after the Second World War. The current exploitation of the sandstone levels is made in two quarries locat...

This paper describes an algorithm that proposes compositions of structures that are in contact with the cooled environment based on the user's priorities. Specifically, the algorithm evaluates the construction of floors, flat, and pitched roofs. The algorithm compiles these structures based on individual technical criteria and their set priorities in combination with the price of materials. Multi-criteria methods such as the Saaty method and the weighted sum method are using to determine the importance of individu...

The constant need for techniques that contribute to the environmental preservation has led researchers worldwide to intensify their studies regarding different routes that enable the environmental protection. Azo - dyes can be found in aquatic matrices and conventional procedures applied in effluent treatment plants showed not so good results in respect to degrading this type of dyes that are usually persistent and refractory. Also, textile dyes release important amounts of toxic and resistant color effluents that...

Aboard a ship, the noise is a sum of several factors: equipment (engines, propellers, compressors), and the waves (if the Danube is very hectic), etc. The noise leads to discomfort for the crew. This paper studies the noises on 2 river vessels traveling on the Danube between Sulina and Budapest, in February and April 2019. The noises were measured with Blue Solo sonometer and analyzed with dBTRAIT Software. The determinations were made while running, in the engine room and in the control room. To check the noise l...

A major risk factor for freshwater coastal aquifers is represented by seawater intrusion, consisting of the movement of marine saltwater into these aquifers. This occurs due to sea level changes, tidal fluctuations, changes in evaporation and recharge rates, fractures in coastal rock formations, or excessive freshwater pumping. The negative effects of this salinization phenomenon are a reduction in the available freshwater storage volume, the contamination, and the abandonment of production wells. In Romania, such...

The main purpose of this paper is to provide new geological information and interpretation of the well data from the Istria Basin, Western Black Sea. Therefore, we present a reconsideration of the microfaunas (mainly foraminifers) and calcareous nannofossils described from several wells drilled on the Lebada East structure belonging to the Istria Basin, by using core reports. Thus, we have been able to compile integrated information regarding the lithology and biostratigraphy of the wells. We have focused on the s...

The exodus of young people from rural areas in Romania, corroborated with the decrease of the population at national level is a major problem of the country. The Common Agricultural Policy integrates this issue, finding several forms of support both in Pillar I, on direct payments, and in Pillar II, on rural development. This paper proposes the analysis of support for young farmers in the second pillar. Thus, the measures related to the support of young farmers through the National Rural Development Program will b...

Rapid development of residential housing in Kazakhstan entails an increase in the consumption of thermal energy and, accordingly, carbon dioxide emissions into the atmosphere. According to the Department of Statistics, only in 2019, 41,415 individual and 1,746 multi-apartment residential buildings became operational in the country of the total living area of 13,133.8 thousand square meters. Providing that all built houses comply with energy efficiency requirements of Kazakhstan, the introduction of new housing has...

The studied tailing dump is located on a hill in the urban village limits (Komsomolsk, Kemerovo region) and contained cyanidation wastes. There are the comprehensive school and the central street of the city below a hill, and the kindergarten on the opposite hill. Due to the easy availability of atmospheric oxidizing factors, the material of the bulk dumps changes very quickly, and, of course, seeps into the hill. Two types of streams interact with the material of the Berikul bulk dumps: infiltration water that se...

The territory of Bulgaria represents a typical example of high seismic risk area in the eastern part of the Balkan Peninsula. The spatial distribution of seismicity in Bulgaria is uneven, which gives reason to group earthquakes into geographically defined zones - seismogenic zones. In the present study the Sofia seismogenic zone will be examined. Sofia seismogenic zone is located in southwestern Bulgaria - the area with pronounces tectonic activity and proved crustal movement. The capital of Bulgaria - the city of...

The purpose of this paper is to describe the geological and geophysical features of the Badenian deposits in the Moldavian Petroleum System, especially those of evaporitic main seal formations. The Moldavian Platform, Romanian sector of the East European Platform, is the oldest platform unit in Romania. Its Western limit sinks beneath the Pericarpathian area following the NNW-SSE Paltinoasa Fault alignment. The Southern Moldavian Platform is separated from the Schythian Platform by a WNW-ESE fault [3]. We used wel...