Complex sentence: As of 2014, it may be technically possible for the former residents and their descendants to reside on the atoll's islands; as it is, however, virtually none have ever lived on the atoll and very few want to move there.
Split into simpler sentences: As of 2014, it may be technically possible for the former residents and their descendents to live on the atoll's islands. But virtually none of those alive today have ever lived on the atoll and very few want to move there.