Eat Less Meat - organic meat is rather pricey, but meat in general could be contributing to an unhealthy diet, so eat less of it and save money.
Clip Coupons - save money on organic and natural products by printing and clipping coupons. Find links and tips for accessing organic coupon sites and deals.
Plant Veggies and Herbs - save money on organic produce by planting your own. You don't need a large yard to do it, find three space saving garden ideas in this post.
Meal Planning - save money by knowing what you are going to eat for the week BEFORE you go to the grocery store.
Join a CSA - save money by buying directly from the farmer.