When mining giant BHP, the world’s largest charterer of bulk carriers, says it wants net-zero greenhouse gas emissions from its shipping operations by 2050, it is going to require some major investment on the part of the shipping industry.

Even BHP’s more immediate goal of reducing emissions intensity on chartered vessels on a per voyage basis by 40% within the next eight years is going to prompt a major rethink of its chartering policies along with the vessel investment strategies of its shipowner...