At least $1trn of new investment is needed to meet the IMO's target of halving shipping's carbon emissions by 2050.
Analysis by University College London's University Maritime Advisory Services (UMAS) and the Energy Transitions Commission for the green industry platform Getting to Zero Coalition has put a hefty price tag on efforts to slash greenhouse gas (GHG) output.
The cash must go towards "significant" infrastructure investments in new fuel production, supply chains and a new or retrofitted fleet, the study found.
