Heat & Cold Stress toolbox talks

Thunder is the trigger, not a 30-second count. Shelter, the 30-minute wait, and the OSHA storm rules.

Black ice, the parking lot, and the walk from the truck — where winter falls actually happen.

The new guy and the guy back from vacation: why the first week kills, and the 20% rule.

Wind chill, wet feet at 60 degrees, and the two things you never do to a frostbitten hand.

Drink on a schedule, not on thirst - and why water alone stops working after two hours in the heat.

Water, rest, shade, acclimatization — and how to tell heat exhaustion from heat stroke.