This chapter explores how major global crises have shaped the understanding and practice of responsible consumption from the 1970s to the present day. It examines four critical moments—the 1973 Oil Crisis, the 2008 Global Financial Crisis, the COVID-19 pandemic, and the Russo-Ukrainian War—each of which disrupted established consumption norms and revealed new forms of awareness and adaptation. The discussion begins with the oil shocks of the 1970s, when rising energy prices exposed the fragility of industrial societies built on cheap fossil fuels. What started as a geopolitical conflict evolved into a turning point for energy-conscious behavior, encouraging efficiency, restraint, and the first serious discussions about sustainability. The analysis then moves to the financial collapse of 2008, which challenged consumer confidence and values more than material access itself. As jobs and savings disappeared, consumption slowed, and many people began to question habits of excess. In its aftermath, local exchange networks, solidarity economies, and fair-trade movements gained ground, suggesting a moral reorientation toward fairness and sufficiency. The COVID-19 pandemic brought another rupture—one that redefined what was “essential.” Lockdowns reshaped consumption geographically and psychologically: from global supply chains to local stores, from abundance to resilience, from convenience to care. Digitalization accelerated, but so did reflections on fragility, interdependence, and the meaning of responsible living. The chapter concludes with the ongoing effects of the Russo-Ukrainian war, which reignited debates about energy dependence and ethical consumption across Europe. As households faced soaring costs, conservation became not only practical but also civic—a form of solidarity tied to democratic values and energy autonomy. Taken together, these crises show that responsible consumption rarely emerges from comfort or prosperity; it often grows out of disruption. Each shock forced societies to reconsider the relationship between need and want, between individual action and collective survival. The chapter argues that crises, while destabilizing, also open moral and structural spaces where responsibility, restraint, and cooperation can take root—and perhaps endure.