Green energy: St Patrick's Festival boost could be €100m

How Ireland turned its national day into a global phenomenon

The Centennial Wheel at Navy Pier, Chicago

This weekend's St Patrick's Festival could bring up to €100m into the economy, according to some estimates. The festival has come of age as it celebrates its 21st year after rebranding in 1996.

Last year a total of 105,000 visitors travelled into the country for the festival, spending an average of 8.8 days in Ireland and 6.5 ...