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The purpose of this paper is to examine the impacts of a sustainability course that was designed to evoke measurable transformational changes in students’ preferences and in their roles as consumers, employees and citizens, via consciously addressing sustainability issues and involving a community partner.

The research was undertaken using mixed methods. Q-methodology helped create student groups with similar preferences for sustainable attitudes and behaviours before and after the course; the most important features of attitude changes and identify the phases of transformation were explored. In-depth interviews with each participant contributed to understanding and explaining the motivation for changing preferences and generated individual-level reflections about the perceived process of transformation.

Q-method highlighted how stakeholder roles were transformed from the three pre-factors to the three post-factors and for the whole group. Seven phases of transformational change are identified based on the reflective in-depth interviews from “no transformation” to “change agent behavior”.

Findings provide new perspectives for evaluating and embracing the transformational potential of sustainability courses.

Assessing the impacts of sustainability courses on students’ transformation via measuring their mindsets and behaviour preferences prior to and after a course is still an under-researched area, especially in relation to the Q-method. A further unique feature is how the influence of engaged community partner on students’ preferences is captured. The explored scope of individual responsibility goes beyond environmental awareness and addresses participants in various stakeholder roles simultaneously, by examining their priorities as consumers, employees and citizens.

The paper examines the role of green knowledge and green attitude in purchasing behavior of the youth in Ghana. This study focuses on investigating how green value and green trust mediates the relationship between green knowledge and green attitude and purchase behavior of the youth in Ghana.

A quantitative approach was used. A total of 417 respondents were selected using convenient sampling method. Respondents were selected at leading shopping malls (grocery stores) in Accra the national capital of Ghana. Data was analyzed using the partial least square (PLS). Structural equation modeling (SEM) was used to investigate the relationship among the variables.

The findings indicate that there is a positive and significant relationship between green knowledge and purchasing behavior and also that there is a positive and significant relationship between green attitude and purchasing behavior. The findings revealed further that green trust do not mediate the relationship between green knowledge and purchasing behavior but green value does. The findings suggest that green value is more important in purchasing decision of the youth in Ghana than trust.

Research is essentially cross-sectional and longitudinal studies and can validate findings in the long term. The researchers admit that this research work which is carried out only in Ghana cannot be used to generalize an assumption for the entire youth in Africa and beyond. The sample size could be improved and the study could be conducted in other African countries for the purposes of comparison.

Business managers who are interested in sustainability of their firms and society at large can be guided by this insight that green knowledge and attitude influence purchase decisions of the youth. The findings that green trust do not mediate the relationship between green knowledge and purchasing behavior but green value does will guide managers on marketing and communication strategies especially toward the youth.

The model argues that the youth purchasing behavior is influenced by green knowledge and attitude. The model suggests that that green value is more important in purchasing decision of the youth in Ghana than trust. The model further points out that green trust do not mediate the relationship between green knowledge and purchasing behavior.