https://www.netflix.com/watch/81014008
Not concerned enough?
Give this one a try as well, from 2014 (7 years ago).
https://www.netflix.com/watch/70308278
And the talk about this matter, from the 2009 year.
https://www.ted.com/talks/sylvia_earle_my_wish_protect_our_oceans
Just sharing to give something to reflect on about the speed of progress we as humans we're making.
What kind of world we're going to leave to our children? And the unborn ones?
Even I couldn't see much of the beauty of marine diversity, so what are they going to see?