This issue of "Human Health" addresses the impact of environmental factors on health and provides examples of the effects of waste, nuclear power, and noise. It discusses the growing awareness among public authorities and partners in the educational community of the importance of respecting children’s natural rhythms for their academic success and overall well-being. It describes educational initiatives undertaken in schools, defines environmental education as a discipline, and emphasizes the need to develop cross-curricular teaching methods and approaches to build a common language.