A lot of people, myself included, have forgotten how to properly store produce. Everything tends to get shoved into these supersized fridges we don't really need.
Here's two useful links on the subject. Feel free to post links and tips about storage of food, kitchen hacks etc. in this thread.
"Saving Food From The Fridge: It Will Taste Better, May Even Last Longer And Reduce Your Energy Bills": http://www.treehugger.com/kitchen-design/saving-food-fridge-it-will-taste-better-may-even-last-longer-and-reduce-your-energy-bills.html
"How to Keep Fruits and Veggies Fresh" (a comprehensive list):
http://www.sparkpeople.com/resource/nutrition_articles.asp?id=1103
(I'm also looking into sprouting, here's an old ERE thread on the subject: http://forum.earlyretirementextreme.com/topic.php?id=82#post-541 )