Has passenger travel peaked?

[mailchimp_signup][/mailchimp_signup]They found passenger travel – by car, bus, plain, train, tram and metro systems – stopped growing relative to the countries’ GDP per capita in 2003. The authors admit their findings are not conclusive, and even if they are right, the trend since 2003 may not continue, but they say future projections of CO₂ emissions may have to be cut back. Click Here to read the full article.