As record-breaking heat becomes the new normal, air conditioning is no longer viewed as a luxury—it is rapidly becoming a necessity for survival. But as billions more people seek relief from rising temperatures, the world faces a difficult paradox: the very technology that protects lives also places enormous strain on energy systems and the environment. In this episode, we explore the growing global demand for cooling, tracing how extreme heat is reshaping politics, infrastructure, and public expectations from Europe to South Asia. We examine the life-saving benefits of air conditioning alongside the challenges of overloaded power grids, unequal access, and rising carbon emissions. The story reveals that keeping the world cool is no longer just an engineering challenge—it is becoming one of the defining social, economic, and environmental issues  ...