Why does noah sink the coral queen?

Noah sinks the Coral Queen as a form of protest against the illegal activities and environmental harm perpetuated by the boat's owner, who uses it for smuggling and other illicit purposes. By sinking the vessel, Noah aims to stop its operations and draw attention to the larger issues of marine conservation and the impact of pollution. This act is also a pivotal moment in his character development, showcasing his commitment to protecting the environment and standing up for what he believes is right.