It's no secret that Phoenix is hot, but late summer and the start of fall were scorchers, even by Valley of the Sun standards. Between Sept. 23 and Oct. 14, Phoenix set daily record high temperatures ...

Researchers at the University of Hong Kong (HKU) have uncovered a critical, underrecognized trade-off in global environmental policies: While essential for improving public health, large-scale air ...

Scientists believe they have found a way to improve warning systems for vulnerable communities threatened by humid heat waves, which are on the rise due to climate change and can be damaging and even ...