The EastMed natural gas pipeline is a political project, it is not viable and very expensive, said an academic, expert on energy diplomacy.

Greek Prime Minister Kyriakos Mitsotakis, Israeli Prime Minister Benjamin Netanyahu and Greek Cypriot leader Nicos Anastasiades inked an agreement on Thursday over the EastMed pipeline project.

The project is a 1,900-km (1,180-mile) natural gas pipeline project that extends through the Mediterranean Sea from Israel to the Greek island of Crete, Greece’s mainland and then to Italy.

Read more: EastMed gas pipeline 'political project': Expert