Key words: Corporate environmentalism, ecologic-economic decision-making, CSR worldviews Purpose: To explore environmental decision-aming processes at managers at Skanska, also with regard to enviornmental decison-making conceptualizations in theory. Method: The research of the thesis is based on a qualitative approach through the use of semi-structured and open interviews. Furthermore an interpretative approach is followed. Theoretical framework: The theoretical framework is about general approaches of corporate social responsibility (CSR), strategic forms of corporate engagement in CSR and decision-making conceptualizations in corporate environmentalism Conclusion: Managerial decision-making processes and work in corporate environmentalis...