Fake Invisible Catastrophes and Threats of Doom

In a bleaching event, it’s the corals’ relationship with their symbionts that breaks down. As water temperatures rise, the algae go into overdrive and begin to give off dangerous levels of oxygen radicals. To protect themselves, the corals expel their algae and, as a consequence, turn white. If a heat wave breaks in time, corals can attract new sym

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Ocean health. They could do nothing about ocean acidification, nor the heating of the ocean that was baked in by the previous century’s carbon burn, nor the deoxygenation. Thus die-offs were happening, and presumably extinctions they didn’t even know about, that might have catastrophic cascading results. Ocean health would be an outstanding problem

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