The article deals with the cooperation undertaken by enterprises on building their competitive advantages within all three sectors of the economy, i.e., the public, private and non-governmental sectors. The article aims to identify and assess the impact of cooperation undertaken by small and medium-sized enterprises with entities from the three main sectors of the economy on achieving competitive market advantages. Thus, the author attempts to answer whether the cooperation undertaken by small and medium-sized enterprises with entities from the public, private and non-governmental sectors has a tangible impact on the qualitative and price-wise competitive advantages they achieve on the market. The implementation of the assumed goal was based on the results of a survey conducted using the CAPI technique among 1286 enterprises of the SME sector in the Kuyavian-Pomeranian Region. The empirical and analytical results do not indicate any relationship between cooperation with any entities belonging to the three sectors of the economy and obtaining qualitative and price-wise competitive advantages on the market.

The “Natura(lnie) in Zabrze” – an environmental project – is a response to the deepening climate crisis and still developing environmental education at schools. Led by four teachers from Zabrze, the project blends interdisciplinary and inclusive education, shapes active pro-social attitudes and gives participants a sense of empowerment. The project initiatives include cooperation between schools as well as city institutions and scientific centers, thanks to which the project is gaining more and more publicity. The activities undertaken make it possible to expand knowledge of ecological and climate problems and develop pro-environmental habits. The article presents practical methodological and didactic solutions, which the organisers use within the framework of the project “Natura(lnie) in Zabrze”.

The problems with mental health among children and adolescents continues to grow. This is indicated by the increasing number of suicide attempts among minors. The purpose of this study was to draw attention to the problem of mental health of students and to create proposals for systemic solutions to support their mental well-being. Based on an online survey conducted on 313 people aged 14–25, (of which 29% were students and 71% were high school students), it was shown that at least 20% of students negatively assess their mental health as well as their self-esteem. Less than 25% of students receive help from a school psychologist, regardless of their mental health status. Additionally, respondents consider the school environment to be very stressful for them. Therefore, it is suggested to introduce systemic solutions to support students’ mental health based on reliable information and access to qualified professionals.

The aim of the article is to present the most important facts about teenagers’ addiction to mobile phones on the basis of chosen subject literature. The article also presents and describes the research data. The aim of the research was the attempt to describe the chosen aspects of the phenomenon that is the use of mobile phones by teenagers. The research was carried out from May 9 to May 13, 2022 on a group of 80 students. All of the students were from a secondary school. For the purposes of the research, the diagnostic survey method was used and the tool was an original questionnaire. In the light of the obtained results, today’s youth use mobile phones in an irresponsible way and they are unaware of threat arising from abusing the mobile phones. Following the results obtained from the research, introducing the media literacy in schools should be conceptualized.