In Europe, skiers can usually access the slopes by train, and rail travel has plenty of advantages. As the the site, SnowCarbon.co.uk suggests about train travel: "it's better for you" and "it's better for the planet". Trains produce 90% of the carbon emissions of air travel.

Shake off the winter weather blues and start thinking about sustainable travel with an eco- conscious cruise.

Club Med calls itself a leader in "labeling" to attract responsible vacation goers.

Earlier this year, the Achuar people took on full ownership of the Kapawi Ecolodge and Reserve, a responsible vacation lodge in Ecuador. The Achuar people, who've lived in the Amazon Basin as for thousands of years, were one of the last indigenous groups along the Marañon River to be impacted by western contact.