From AFP:
You worry a lot about the environment and do everything you can to reduce your carbon footprint — the emissions of greenhouse gases that drive dangerous climate change.
So you always prefer to take the train or the bus rather than a plane, and avoid using a car whenever you can, faithful to the belief that this inflicts less harm to the planet.
Well, there could be a nasty surprise in store for you, for taking public transport may not be as green as you automatically think, says a new US study…