The maritime industry must stop paying lip service to sustainability if it wants to make any headway in tackling environmental concerns, according to Synergy Group chief executive Rajesh Unni.

He said the sector needs to come up with and implement actual solutions to address these challenges — especially preserving the natural environment.

"It is something that we all need to take very seriously because, if not, I think we will all have some tough times going ahead," he told TradeWinds.