We also found that the average person who shifted from car to bike for just one day a week cut their carbon footprint by 3.2kg of CO₂ – equivalent to the emissi

We also found that the average person who shifted from car to bike for just one day a week cut their carbon footprint by 3.2kg of CO₂ – equivalent to the emissions from driving a car for 10km, eating a serving of lamb or chocolate, or sending 800 emails So I can offset my car's carbon footprint by reducing my meat and sweets consumption by five servings a week? Either something's fucky with that math or cars aren't nearly as bad as I thought.