Feel guilty about the carbon footprint of flying? That’s 'flygskam.' Here’s what you can do about it.

'Flygskam' is a compound of the Swedish words 'flyg', which means flight, and 'skam' – shame. There, the movement is already changing people's flying habits. More and more travelers are replacing planes with trains.

Now, 'flygskam' is making ripples around the world. So here are some ways you can reduce your carbon footprint if you truly have to fly.