World
In a warming world, is an air-conditioned future inevitable?

WASHINGTON, D.C.: They are ubiquitous in the United States, controversial in Europe and coveted in South Asia. As heatwaves intensify across the world, air conditioning has taken center stage.

For better or for worse, these power-hungry appliances are among the most common adaptations to a warming world. They have become a necessary tool for the survival of millions, according to experts.