The ocean cleanup project is working to remove plastic: https://www.theoceancleanup.com/ https://www.theoceancleanup.com/ I'm not affiliated so can't speak for

The ocean cleanup project is working to remove plastic: https://www.theoceancleanup.com/ https://www.theoceancleanup.com/ I'm not affiliated so can't speak for due diligence etc. but they have posted regular progress updates whilst they test and develop their solution