Labeling proponents say GMOs can be harmful for humans and the environment.

Opponents say GMOs could cause health problems to humans and wildlife.

Opponents say GMOs have been proven safe and that mandatory labeling would be costly and confusing for consumers.

But opponents say GMOs have been proven safe and that mandatory labeling would be costly and confusing for consumers.

Labeling proponents say GMOs can be harmful for humans and the environment, while labeling opponents say GMOs are proven safe.

Labeling proponents say GMOs carry risks for humans and the environment, and consumers should know if the foods they buy contain them.