The simplest and most satisfactory view is that thought is simply behavior - verbal or nonverbal, covert or overt. It is not some mysterious process responsible for behavior but the very behavior itself in all the complexity of its controlling relations.
You can't be an environmentalist, you can't be an ocean steward without truly walking the walk and you can't walk the walk in the world of the future, the world ahead of us, the world of our children, not eating a plant-based diet.