He wants to talk about how our diet affects our lives and the lives of others.
Explanation:
Mark Bittman in his Ted Talk wants to convey a message about our eating habits. According to him we eat in excess, in a wrong and selfish way. He says that in addition to eating more than we should, we eat the wrong things that don't do us any good.
He also says that this irresponsible consumption affects our health in many ways, and not only that, it also affects the lives of people who have nothing to eat.
Answer: he is trying to get across to us about what we eat he says are we eating the wrong stuff and what about the people that don't have food the point is he is basically looking out for health and other people.
The correct answer that would best complete the given statement above would be STAGE MODELS. Models of development which hold that change typically occurs in shifts between periods of relative stability and periods of disequilibrium are called stage models. Hope this helps.