And I don't know if you're anything like me, but some of my fresh produce and breads become sacrifices to the house borne mold spores. I looked into my Home Wisdom Book, put out by The Old Farmer's Almanac, to learn some helpful hints. I'll pass them on to you. There's a good reason the Dead Sea Scrolls survived in an underground cave. Dry and cool is the basic rule for storing most things.
Deterioration is inevitable, but it can be delayed and minimized.
Utilize the space along the basement stairs, under the bulkhead, in the attic, or even under beds or closets. Remember that fruits and vegetables need an occasional change of air-after all, they're still alive and breathing. Even a simple Styrofoam chest or a double cardboard box can approximate root cellar conditions. Put bread in a breadbox. Staling is a temperature-dependent process that proceeds most rapidly at temperatures just above freezing and very slowly below freezing.