The damaging effects of carbon dioxide emissions from tourism could eventually be eliminated if travelers paid just US$11 per trip, according to a new study. Global tourism is largely dependent on fossil fuel energy, and emits more carbon dioxide than than all but five countries of the world. Recent estimates conclude that tourism, including transport, accommodation, and leisure activities contributed close to 5 percent of total human-made emissions of carbon dioxide worldwide.

Source: Decarbonizing tourism: Would you pay US$11 for a carbon-free holiday?