What is "want"? And why does it have to be so immovable? We can't always walk away from what we do or where we live. Car-centric, earth-wasting behavior is ost

What is "want"? And why does it have to be so immovable? We can't always walk away from what we do or where we live. Car-centric, earth-wasting behavior is ostensibly what we want, because most of us engage in it every day. So is sugar soda and processed food, lack of exercise, and any number of unhealthy things we do. So is paying huge amounts of money for a house, then fighting any new development near our neighborhood out of self interest. It is possible for people to essentially be trapped in a situation in which rational choices are a bad ones. How might we break out of that?