Warming is the primary cause of coral die offs right now, but acidification will hit a tipping point pretty soon where it becomes nigh on impossible to get calc

Warming is the primary cause of coral die offs right now, but acidification will hit a tipping point pretty soon where it becomes nigh on impossible to get calcium ions out of solution. Pretty much anything that lives in the ocean and has a skeleton is in for a rough time - as well as everything that depends on them.