Not every environmental issue should be viewed through the lens of CO₂. The death of corals would actually be good for atmospheric CO₂. Coral calcification releases CO₂, and the dissolution of coral would allow the ocean to take up more atmospheric CO₂.However, coral reefs support biodiversity and provide food, coastal protection, and income for up to a billion people around the world. There are reasons to save coral reefs that have nothing to do with CO₂.https://www.newscientist.com/article/2499583-coral-reefs-are-at-a-tipping-point-after-surging-global-temperatures/?utm_term=Autofeed&utm_medium=SOC&utm_source=Bluesky#Echobox=1760899531