i have literally grown up eating organic...my mom was one of the few to shop at dallas' first whole foods with her hot pink bow and matching 90's sweatshirt + sweatpants outfit (picture that amidst their earthy, natural workers)
so i've heard a lot of "why do you eat organic?" well, cascadian farms provides a lovely list of the do's and don'ts of the foods that are grown organically.
Don't use synthetic pesticides, herbicides and soil fumigants.
Don't use genetic engineering
Don't use sewage sludge as fertilizer
Do improve the quality and fertility of the soil
Do protect water quality
Do reduce soil erosion
Do rely on natural biological systems for pest and weed control
Do reduce the impact of agriculture on our environment
Do produce high quality, great tasting food
"the earth is filled with your love, o LORD; teach me your decrees."
p.s. i think nature's path has got it goin' on in their section about eating organic