The chapter proposes first a definition of motivation and its intrinsic challenges, e.g., the expression and maintenance of motivation in a consistent form. Specific attention is devoted to the main obstacles toward the establishment of an intergenerational climate-change-sensitive motivation. The chapter explores then what could be considered the most relevant conceptual contraposition with respect to the adoption of climate-change-sensitive behaviors, both from an individual and institutional perspective: the dialectic between indifference and solidarity. We will examine how these concepts lead to different motivational perspectives that, in turn, ground and