THE ENVIRONMENTAL CASE?for taking?public transportationis pretty solid, especially in big cities where options are abundant and traffic unbearable. More than three-quarters of Americans drive by themselves to work every day, but taking a bus or a train instead might save?about a third?of your household?s daily carbon emissions. If you?re all in on the environment, and you live somewhere with frequent, quality public transit, your commute should be a no-brainer.
