With much of the country in the grips of a massive heat wave, many people who have air conditioners in their homes are running them overtime. But these extreme temperatures present a significant ...

For the past few days, a heatwave has glowered over the Pacific Northwest, forcing temperatures in the region to a record-breaking 118ºF. Few people in the region—neither Americans nor Canadians—have ...

To combat stickier weather, air conditioners need to go from cooling machines to humidity gulpers. THANE, India — In this tropical city, where humidity levels oscillate between muggy and oppressive ...