St Helena Airport

The island of St Helena is one of the remotest and most inaccessible places on Earth, this has given it a unique environment and human culture. However an airport is being built on the island for the first time ever. What effect will this have on St Helena and the people who live there?
See here for background: http://hpanwo-bb.blogspot.co.uk/2009/02/rockall-chapter-1.html.
And: http://hpanwo-voice.blogspot.co.uk/2014/03/st-helena-airport.html.