Much of the elevated land on Nauru, 15 of its total land area of 21 square kilometres, has been rendered unusable by mining, but there have long been hopes that it can be restored, for farming and habitation.
Over the past two years preliminary work has been done by the Pacific Community on a project the Nauru Government said will be the biggest undertaken on the island.
A New Zealand engineering consultancy, Calibre Consulting, is now being brought in to consider the options that have been developed.
