● Self (anthropocentric): personal health.
● Other people (sociocentric): interpersonal relations.
● Other living things (biocentric): animal welfare.
● Ecosystems (ecocentric): endangered ecosystems, species.
● Planetary (Giacentric): planetary problems, e.g., climate change
Ultimately, the aim is to secure positive attitudes, which may lead to pro-environmental behaviour, as evidenced by studies that show positive impact of science projects on understanding and attitudes to science or the environment (Crane et al. 1994; George and Kaplan 1998; Brossard et al. 2005).