Shipping should be looking into slow steaming as a realistic way to cut its carbon emissions, rather than promising “miracles” that cannot be fulfilled, the Greek heads of three major international shipping organisations told a conference in Athens.

“We have to look for quite radical solutions. We have to discuss things which so far have not been discussed in depth — speed reduction is one of them,” said Panos Laskaridis, president of the European Community Shipowners' Associations (ECSA).