Preparing for catastrophic or short range survival is extremely personal and most of us keep it tight to our chest. I think PowderKeg says it best – Invisible and then Nuttus who knows that not all of us are the same skill or wherewithal stage, yet as a TEAM we shore up each others weaknesses, learn off each others strengths and it is a continual building process going forward.
For global catastrophic risks the costs of food storage become impractical for most of the population  and for some such catastrophes conventional agriculture would not function due to the loss of a large fraction of sunlight (e.g. during nuclear winter or a supervolcano). In such situations, alternative food is necessary, which is converting natural gas and wood fiber to human edible food.
The 5-in-1 paracord bracelet slips on with ease and stays fashionably in the background until or unless the situation on the ground takes a turn for the worse. That’s when they spring into action. Should you need to get a fire going in a hurry there’s the fire starter kit comprised of flint and scraper. While you’re warming up by the fire take the lay of the land with the mini compass. There’s also what must be the world’s most compact emergency knife and should you need it a powerful emergency whistle that will project up to 100 decibels of life saving sound. Essential survival gear especially if you have the kids with you.
Every year in the US about 150 people die while out and about in national parks, more than 1,000 die in hunting-related incidents and thousands of backcountry enthusiasts get in deep trouble and require a Search and Rescue team to save them; with dozens of those folks dying while awaiting rescue. Most fatalities are the result of poor preparation. Bad weather descends and people get lost. They wander without water or shelter, often injuring themselves in the process. If they survive they often suffer frostbite, hypothermia, dehydration, trench foot or some combination of them all.