Many mornings, Mr. De Blasio is driven 11 miles to his gym in Park Slope, Brooklyn, from the official mayor’s residence on the Upper East Side of Manhattan, Gracie Mansion. Former Mayor Bloomberg, a billionaire, rode the subway most days. On the other hand, Mr. Bloomberg routinely splurged on carbon usage by deploying his personal… Continue reading About New York: Battling Climate Change from the Back Seat of an S.U.V.