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.
Environmental groups Seas at Risk and Mighty Earth together called on dry bulk companies to back the commitment by refusing to carry products linked to deforestation.
The two groups urged "the whole shipping industry, including companies that own dry bulk vessels as part of their diversified fleets, to stop facilitating the trade in deforestation-linked commodities, by halting all business with companies identified as driving deforestation".
Environmentalist have already shown they are ready to take action against dry bulk shipping. In June, Greenpeace boarded a bulk carrier carrying soya bean off France and painted "stop deforestation" on its hull.
The green groups have drawn up a list of companies they are watching which includes Seanergy Maritime Holdings, Navios Maritime Partners, Golden Ocean Group, Eagle Bulk Shipping, Genco Shipping & Trading, Safe Bulkers and Star Bulk Carriers.
It also lists Scorpio Bulkers, which has changed its name to Eneti and now works in the wind farm vessel market.
Forest destroyers
Missing from the list are shipping companies more directly linked to the forest product trades.
Seas at Risk'sucy Gilliam said: "Taking unsustainable forest products out of global trade can only help shipping meet its own climate commitments."
Nico Muzi, European director of Mighty Earth, said bulk carrier owner should stop turning a blind eye to link between agricultural commodities and deforestation.
"If bulk carriers want to stop feeding deforestation and be part of the solution, they need to drop Cargill and Bunge, two of the worst forest destroyers in the world," he said.
