This would spur ecological industries, because the ecological would also be the most economical. If people still want to harm their world, at least they would pay more of the cost of destruction, instead of now where we're almost begging them to act against their own self-interest. I'm no physician. But a great number of advances in health have come from changes in sanitation as well as better nutrition. Now we are going back in the other direction.
Pesticides decrease the nutrition available in our produce.
We would be a healthier society if everything was organic. Our answer is that we have to look at our diet and determine what we really need to eat to be nutritionally sound. This brings us to the question of eating lower on the food chain. The Greens are not all vegetarians, nor do we say that all people should be. But our country eats more meat than any other.