Prices for air pollution allowances under Washington’s cap-and-trade law climbed again at the state’s first auction of the year.

It may be winter and there may be a biting chill in the air, but the dozen men and women who have packed this small sauna ...

Almost one in five people in the UK aren’t getting enough sleep, according to the charity Mental Health UK. As well as making it harder to concentrate and manage stress, a lack of shut eye can also ...