Hundreds of workers are exposed to environmental cold each year which can cause injuries and illnesses like hypothermia, frostbite, and trench foot. Working in cold and wet conditions, especially outdoors, increases the risks. The document outlines the types of cold stress, symptoms, risk factors, and steps companies and workers should take to prevent cold injuries like dressing appropriately, monitoring for symptoms, clearing snow/ice, and using fall protection at heights. It emphasizes training workers on cold stress prevention, recognition, and first aid.