This article is strikes a rather alarmist tone which isn't warranted. This reef has been around in some form for 2M years and has experienced average global temperatures about 10 degrees colder and warmer. Reefs in the Arabian/Persian Gulf survive seawater temperatures about 8 degrees warmer than this one.<p>If the heat is killing them, they just need time to adapt.<p><i>"I think we are now getting to this idea that actually, in some cases, these mechanism can arise very quickly, within a few years."</i> (<a href="https://www.scientificamerican.com/article/hot-water-corals-in-the-persian-gulf-could-help-save-the-world-s-reefs/" rel="nofollow">https://www.scientificamerican.com/article/hot-water-corals-...</a>)