Since conservation is a part of saving the earth and keeping species from going extinct, it seems we should refrain from eating sushi that uses blue fin tuna. They are at the brink of being an endangered species. One YouTuber claims that 80% of Atlantic and Pacific Blue Fin Tuna caught is consumed by the Japanese. If you look up a 2014 article by The Atlantic Magazine, it examines the issue.
Since conservation is a part of saving the earth and keeping species from going extinct, it seems we should refrain from eating sushi that uses blue fin tuna. They are at the brink of being an endangered species. One YouTuber claims that 80% of Atlantic and Pacific Blue Fin Tuna caught is consumed by the Japanese. If you look up a 2014 article by The Atlantic Magazine, it examines the issue.