“…Given its cross-curricular nature, environmental education should be present in all subject areas and in all levels of compulsory education [16,17]. This cross-curricularity is increasingly linked to the new technologies and their penetration in schools [18]. Numerous elements of environmental education form part of the natural science curriculum, examples being energy, chemical changes, ecosystems, or health, while others are more typically studied under the umbrella of social sciences, with topics such as space, landscape, population, the economy, and natural resources.…”