I agree with Jeshu. The whole sum of it is that God Himself is our salvation. As to whether in this situation you are being prompted by HIM (or just the media) or not, I can't answer, but if you are indeed concerned and you should take action, here are some things I'd consider were I in your shoes. These are only suggestions for you to consider. In all things, pray, and in all you do, acknowledge HIM.
Is there anything about your spending habits that could be trimmed to allow for more food purchases? I'd call this the "beans and rice" idea. For me, if I'm willing to eat more beans, less meat, smaller portions, and allow myself fewer luxury foods, I can stretch my food budget to feed myself longer. I recommend reading up on how to combine vegetable proteins for the best nutrition and what kinds of foods give the best nutrition. Consider growing greens in a window if that's all you can do toward growing something fresh. I do, and I snack on the raw leaves while they are small.
Are there spots under the bed, behind the couch or chair, or other spots where you can tuck away spare dry foods, a supply of the most needful of canned items, and some storage water? Read up on how to safely store public water. Spare jars and bottles would work. Don't forget to rotate your stock of food and water, since everything has an expiration date.
If the electricity or gas were cut off to your home, do you have sufficient blankets, quilts, sleeping bags, or other forms of covers to sleep without freezing? If space is a problem, put those covers on top of the mattress and UNDER your bedsheet. That way they don't take up storage space, provide extra padding for your bed, and are there if you need them.
I question the value of pets in an extreme emergency, but that's a touch decision to make - at least it was for me. I gave this one a lot of thought. For me, it had become a matter of not replacing the family dog when he died. And he did die recently in his well advanced years. While I miss him, I have to admit I feel freer now thinking that I don't have to try to justify the cost of his maintenance were I faced with feeding myself and another human or myself and the dog. That's pretty extreme thinking, I'll admit.
When I read the Bible, I see humans have gone through some pretty extreme situations when God judged their evil nations, and ours are doing much the same thing as those nations. While I stand against the perversion of justice, the murder of the innocent, the immorality and the others errors our countries are involved in, and hope that we see the error and repent. I know the Lord knows how to preserve His people in the midst of His judgment of the evils, so my heart is not faint. But I do think it is sensible to prepare for concerning times in the same way we prepare for bad weather - just for a longer time.
This isn't a comprehensive list. It's just what came to mind when I read your post. We are called to overcome, so I encourage you to draw near to God by reading what He says about things, learn about His mercy, lovingkingness, righteousness, and justice, to pray about all things committing all your concerns to Him Who loved you and sent His Son to take the penalty of all your errors, and to have confidence that He means what He says and doesn't change.
