The paper discusses the problem of principle methods of production control as a strategy supporting the production system and stimulating efficient solutions in respect management in production enterprises. The article describes MRP, ERP, JIT, KANBAN and TOC methods and focuses on their main goals, principles of functioning as well as benefits resulting from their application. The methods represent two diverse strategies of production control, i.e. pull and push strategies. Push strategies are used when the plans apply to the first and principle part of production and are based on the demand forecasts. Pull strategies are used when all planning decisions apply to the final stage and depend on the actual demand or orders from customers.
The article addresses the issues of green ecological competitiveness in the global system and its selected aspects. The authors propose using the Life Cycle Assessment (LCA) methodology to assess the global ecological competitiveness of selected economies in their production areas, in terms of the environmental impact of their production processes, determined by the energy mix used in a particular national economy. To compare the environmental impacts of the production of a unified product in selected economies, i.e., France, India, USA and Japan, the ISO standard LCA using the ReCIPe Endpoint v1.13 and IPCC 2013 Global Warming Potential 100 methods and Sima Pro 8.5 software were used. The LCA for a 0.5 l plastic bottle was made. Data on the use of electricity for all stages of plastic processing in the bottle were made for energy mixes from France, India, Japan and USA and compared using Ecoinvent 3 database. Keywords: Global ecological competitiveness, green competitiveness, Life Cycle Assessment (LCA), green economy, ecological competitiveness analysis.
The article presents the issues of the Life Cycle Assessment (LCA) use in contemporary ecological education, in relation to the problem of sustainable development. Based on the analysis of the literature, legal norms and strategic documents, the theoretical aspects of LCA as a tool used in numerous areas and environmental management processes were discussed and the significance of its use in the process of shaping ecological awareness of both the whole society and enterprises was demonstrated. The role of using computer programs based on LCA technology (such as SimaPro) in the teaching process at the higher education level was also emphasised. Keywords: Environmental awareness, ecological education, sustainable development, LCA, life cycle assessment.
Functioning of modern agriculture and farms is dominated by increasing demand for energy. Meeting this demand is, however, a strategic problem which affects energy, food and environmental safety as well as operating costs of commercial farms and rural households. This paper discusses the problems of implementation of eco-innovation on the example of renewable energy sources in the Polish farm sector. The paper analyses energy intensity and structure of energy consumption in the Polish agricultural sector. it discusses the structure of energy consumption, taking into account rural areas, in Poland and europe as well as analyzes energy costs in various types of agricultural production. Moreover, the paper assesses the potential of renewable energy sources in the Polish agriculture and presents barriers connected to their use.
Young consumers (children and adolescents) play an increasingly important role in the functioning of the modern consumer market. Accordingly, it is becoming more important to promote sustainable, ecological consumption patterns among this group. The authors of the article analysed the results of a survey conducted on a group of 1326 children aged 9 to 15. The purpose was to diagnose the awareness and functioning patterns of consumption among the studied group of young consumers from the Polish market and to formulate a set of recommendations for the process of their ecological, economic and social education aimed at building sustainable consumption patterns. During the research process, an attempt was made to diagnose the ability to identify eleven selected, popular, pro-ecological graphic symbols placed on consumer products, aimed at assessing the skills of young consumers to identify products with better environmental parameters. The collected empirical data was analysed with the R-project program using the following methods: descriptive statistics, nonparametric Kruskal-Wallis test and Pearson Chi-square test of independence. As a result of the use of the comparative analysis method, the results of research in individual age groups of young consumers were compared and interpreted. After the research, the authors concluded that the education system lacks actions to consolidate the acquired knowledge in the field of ecolabeling, which results in large disproportions in the recognition of eco-labels both in individual age groups and in relation to selected symbols. It is disturbing that only 12.2% of the interviewed learners indicated the eco-label as a decisive factor in purchasing a food product. The authors of the article believe that among the group of young consumers, actions should be taken to raise awareness of sustainable consumption, and this requires consistent and differentiated steps at all levels of their education.
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