At least 20 states have introduced bills over the past year that would require labeling of genetically modified food. The common point of contention is the pervasiveness of grains that have had their DNA altered. But some of these proposed laws take aim specifically at genetically engineered meat or fish.
Credit Abbie Fentress Swanson / Harvest Public Media
Whole Foods Market recently announced that all products sold in its U-S and Canadian stores containing genetically modified organisms will be clearly labeled as such by 2018.