Survival Skill #2 Building a Shelter
Not surprisingly, hypothermia is the number one outdoor killer in cold weather. That means a well-insulated shelter should be your top priority in a prolonged survival situation. To make a simple lean-to, find a downed tree resting at an angle, or set a large branch securely against a standing tree, and stack smaller branches close together on one side. Layer debris, like leaves and moss, across the angled wall. Lastly, insulate yourself from the cold ground--which will draw heat from your warm body--by layering four to six inches of debris to lie on.