"With no force on earth capable of preventing the oceans from continuing to warm and acidify for centuries to come, Veron had no illusions about the future."
I feel you're missing the point of the article. The reality is that the reef effectively has a terminal illness and there's little anyone can do now.
Stage 5. Acceptance.
Totally understand that - but the article is written from the point of view that its already dead, which it of course is not, which will cause people to ignore the article. If I was diagnosed with a terminal illness today, I would not write to everyone I know saying I was dead, I would say I was dying.
I guess I'm happy to grant the author a little artistic license to make his point.
I can understand that you might think other people would be misled by the rhetorical structure... but I encourage you to not get upset at imagined misunderstandings on behalf of others. (Not that it's wrong, it's just makes your life a little less happy)
The problem is, global warming is largely an issue _because_ of the "misunderstandings on behalf of others", so in this case, it is a real issue.
Rage, rage against the dying of the light.
For context: Many shelled organisms (cnidarians - corals, brittlestars, sea urchins; molluscs - shellfish) build shells from CaCO3, either as the polymorphs calcite or aragonite. Other options for shell material are silica (SiO2; e.g. some radiolaria, siliceous sponges) or chitin (C8H13O5N; e.g. shells of crustaceans). Animals make their skeletons from hydroxy apatite Ca5(PO4)3(OH).
The unknown for coral is the rate of change of temperature.
[1] https://www.sciencedaily.com/releases/2012/04/120401160101.h...