If one of your goals this year is to lead a healthier lifestyle, consider switching to a new 2012 Honda Civic or 2012 Honda CR-Z. It's one decision, which you will reap the rewards from every day without having to weigh carrots or chips or movie or bike ride.

How exactly is that? Simple: They are the least toxic of 200 new 2011-2012 new models just tested by the Ecology Center.

Why should drivers…