A member of the Sustainable Table group on Ravelry linked to this guide to pesticides in produce. When you can’t get local, sustainably grown food, take this to the grocery store! It’s also quite helpful if you’re trying to eat more organic produce but are on a limited income and want to identify the most heavily sprayed items. There is even a handy wallet-sized card. The full data set is quite interesting (or sickening, maybe).
When to Absolutely Buy Organic