David (who, like other employees Fast Company spoke with, is using his first name only to avoid professional repercussions) is one of many office workers who stay on the clock during winter holidays.

SHOULD LIMIT THEIR TIME OUTSIDE IN THE HEAT WE’RE ALSO EXPERIENCING RIGHT NOW. IT’S IMPORTANT TO REMEMBER HOW TO STAY SAFE. IF YOU HAVE TO GO OUTSIDE AND WORK. YES, COVERING ALLEGHENY COUNTY IS ...