Whether it's fuel oil on board, cargoes that pollute or even pollutants that are washed off the deck, the marine vessel owner is liable for anything that spills into the ocean, and the associated fines and cleanup costs can get very expensive.

A licensed agent also faces charges for actions that put clients' coverage and information at risk.

Despite the insurer's move to restrict coal coverage, its policies fail to achieve 'meaningful action to address climate change,' say activists.