For Pesticides: Apples Are Worst, Onions The Best

If you're struggling to determine where best to spend your organic dollars then this guide to pesticide levels in produce can be of assistance. It turns out that apples, strawberries, celery, peaches and spinach have the highest levels of pesticide residue and you should go with an alternative organic variety if you can. Nonetheless, the EWG states that the health benefits of eating fruits and vegetables outweighs the risk from pesticides, so you should keep eating them even if you can't get or afford organic produce. Ugh.
http://www.npr.org/blogs/health/2011/06/13/137149149/for-pesticides-apples-are-worst-onions-the-best?ft=1&f=1001

Environmental Working Group's Shopper's Guide to Pesticides in Produce
http://www.ewg.org/foodnews/summary/

Organic Agriculture's Resilience Shows Untapped Potential
http://campaign.r20.constantcontact.com/render?llr=bfd6o5dab&v=0015XVNn_3fRZVY3xoyNeOIQV2LaB4Db06J9AKT4TuW_8fHS_K0J0Hb69x1w9oiHhFJO1V0PlVHdK0uUOf4MwyhnApUgvto2xbdoJkUsq8drUTPXJ8RZmXTk9jDoyPO1kZcn8jE78dZw_EHbCPocdYuuA==