One of the new fronts in food research is related to waste reuse and the impact of by-products on food nutrition intensity. These foods are Waste-to-Value (WTV) products that are suitable for demonstrating the processes of the circular economy (CE), in which another excess material is converted into a new food, generating higher nutritional properties. The manifestation of customer reaction is very strong when buying these products. Consumer findings can strongly support or hinder the development of circular systems through our purchasing decisions. In this way, it is essential to evaluate consumer WTV foods to learn about related consumer habits. Consumers can support or hinder the circular economy with their purchasing intentions. This analysis’s primary objective is to evaluate what different factors can be applied to consumers’ perception in purchasing sustainable WTV foods towards CE. In this study, a well-constructed questionnaire was prepared. Five hundred and forty-four (544) people participated in the survey, of which, 499 samples were analyzed. The primary research question was, “Would the consumer buy a sustainable Waste-to-Value (WTV) food product that affects the environment when it is produced? That is, it does not come from a circular system?” The other question is, how do the origin of products, information on production/nutritional value, consumer education, and certain socio-demographic characteristics affect the value of waste value for sustainable food consumption? According to the research results, in the case of the surveyed consumers, the younger age group (18–35 years old) shows a greater preference for buying sustainable products. It is also a surprising and new result that gender characteristics in this age group do not influence consumption patterns. Women and men showed the same preferences. Our second hypothesis is that education positively affects consumer intentions for sustainable WTV foods and especially organic products. The questionnaire did not confirm this.
In the case of developing countries, it is not clear which crisis management tools will ensure sustainable development in a sustainable and environmentally friendly way, as well as reducing CO2 emissions in addition to ensuring GDP growth. The next analysis discusses the details of this issue. The study explores the connection between per capita GDP, emission of CO2, combustible energy, and waste consumption. The Hausman test ratifies that the regression model with the fixed effect is the proper method for the panel balanced data from 1990 to 2019 in the selected 13 countries of the EU. This study ordered the data into three categories (for 13 selected countries, the top nine EU countries (in GDP), and Visegrad countries (Hungary, Slovakia, Czech Republic and Poland)). The study found a significant positive effect of combustible energy and waste consumption and the negative impact of CO2 emission on GDP per capita. The cointegration test confirms that all three variables are cointegrated. This implies a long-term link among all three variables in the context of all three types of the selected panel. The Granger causality results ensure that there is a two-way cause–effect relation between the variables. The study strongly recommends that developed European Union countries (the top nine EU countries) increase energy production from biomass-based renewable energy and waste to stimulate economic growth. The same strategy was not recommended in the Visegrad countries because of the much lower GDP growth due to the N-shaped Kuznets curve. In these countries, it is advisable to avoid unexpected increases in CO2 emissions from biomass and fossil fuel-burning, to achieve greenhouse gas reductions using other circular, platform-based models instead of simple biomass energy production. Due to the low level of energy efficiency and the lack of application of technological innovation, the energy use of biomass can significantly slow down GDP growth in less developed EU countries (such as the V4 countries).
Organic farming is functionally integrated and serves as the foundation for circular agriculture. It guarantees resource efficiency in the deployment of nature-based initiatives to mitigate climate change. Organic farming is the most cost-efficient strategy for fighting climate change. Primarily the intensive generation of waste due to strong urbanization effects, the expression of consumer response is particularly powerful while purchasing organic items. This analysis’s major purpose is to examine which various aspects may be applied to consumers’ perspectives towards circular agriculture when buying organic foods. In this research, a well-constructed questionnaire was produced. Of the 1030 participants who participated in the survey, 1001 samples were examined. The major study question was, “Would the customer purchase organic food product that is good environment?” The second issue is, how do eco-label foods, knowledge about climate change, consumer education, and specific socio-demographic features impact the value of organic food consumption? According to the study’s findings, in the case of the studied customers, people’s concerns about climate change, trust, and eco-labels demonstrate a stronger preference for purchasing organic food. It is also a surprise that customer trust has a big effect on consumer buying intention. The new scientific result of the research is that, in the case of emerging countries, due to the significantly lower price level difference between organic products and traditional foods, the healthy properties of foods with an eco-label, as well as the communication of knowledge about climate change, have a significant effect on the level of consumption of organic foods.
Combustible renewable energy can be an effective instrument to confirm sustainable development in reducing CO2 emissions to Gross Domestic Product (GDP) per capita in developing countries. However, connecting to some developing regions, the main research question is to what extent, in EU post-communist fast-developing countries (Visegrad Countries/Czech Republic, Slovakia, Hungary, Poland), will meeting the climate change preferences affect the use of biomass for energy and waste incineration, and how will this affect GDP growth? In addition, of course, what the Balkan countries can learn from this is also very important. The study investigates the relationship between GDP per capita, CO2 emissions, and Combustible Energy and Waste Consumption (CEWC). According to the Hausman test, the regression model along with random effect is the appropriate method for panel-balanced data as of 2008 to 2020 concerning Balkan countries. The data was divided into three categories: 10 Balkan countries, 4 countries without access to the sea (Kosovo, Bosnia and Herzegovina, Serbia, and Macedonia), and Visegrad countries. The study discovered a substantial positive influence of CEWC on GDP per capita and a significant negative influence of CO2 emissions. The cointegration test confirms the cointegration of all three variables. This means that all three variables have a long-term relationship concerning the sense of each three forms of the chosen panel. The Granger causality findings shows the variables have a two-way causative relationship. The biomass energy use can dramatically hamper GDP growth in Visegrad and less developed Balkan countries without sea water, due to low energy productivity and a lack of technical innovation. The study recommended that instead of using energy production from simple biomass, these countries can use other circular, platform-based models to prevent unexpected rises in CO2 emissions and achieve Green House Gas (GHG) reductions. Therefore, this should be given more attention when setting climate and renewable energy policy targets, because they can significantly slow down economic growth.
The development of mutants and their further characterization offers an ample scope to isolate genes and genotypes with desire trait of interest. Ethyl methanesulphonate (EMS) is a widely used chemical mutagen applied for generating genetic variability in different crop species. This study aimed to assess the agronomic performance, genetic variability and character association of 11 EMS mutants (M 3 generation) of rice derived from a promising local rice genotype (Fatemadhan). Seeds of the selected mutants, original parent and two popular varieties were grown at the field experimental farm of the
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