The Environmental Working Group has released its 2010 Shopper's Guide to Pesticides lists of fruits and vegetables.
Dirty Dozen - buy organic
1. Celery
2. Peaches
3. Strawberries
4. Apples
5. Blueberries
6. Nectarines
7. Bell Peppers
8. Spinach
9. Kale
10. Cherries
11. Potatoes
12. Grapes
Clean Fifteen - lowest in pesticides
1. Onions
2. Avocado
3. Sweet Corn
4. Pineapple
5. Mango
6. Sweet Peas
7. Asparagus
8. Kiwi
9. Cabbage
10. Eggplant
11. Cantaloupe
12. Watermelon
13. Grapefruit
14. Sweet Potato
15. Honeydew Melon