Leading ballast water treatment (BWT) specialist Optimarin has released a film aiming to create greater public awareness of the issue of ballast water, invasive species and the role the shipping industry has in combatting this major environmental threat. The five-minute long ‘Global Thought Leader’ video is set to be broadcast on respected international news channel CBS News (CBSN), as well as being shared across social media platforms and promoted through Optimarin’s own online channels.