Follow his advice and your trip will not only be more be eco-friendly and enjoyable than flying, it could be similarly priced, too
I take train not plane within Europe because it’s a better travel experience. But switching to rail can also be the single biggest thing an individual can do to cut their carbon footprint.
Eurostar says its research has found that taking the train instead of the plane from London to Paris cuts CO2 emissions by 90%. The benefit could be even greater, as CO2 emitted directly into the upper atmosphere is thought to do between two and three times more damage to the environment than the same quantity emitted at ground level. You can compare the environmental impact of different modes of travel at ecopassenger.org.