Green lobby groups have called on dry bulk operators to back the COP26 commitment to ending deforestation by refusing to carry related commodities.
More than 100 countries, and 30 global companies, have committed to reversing deforestation by 2030 at the Glasgow meeting.
Governments of 28 countries also committed to remove deforestation from the global trade of food and other agricultural products such as palm oil, soya and cocoa.