At the current rate of acidification, nothing that requires a calcium skeleton will be able to exist by the early 2030s in northern seas - it’s going to be a ca

At the current rate of acidification, nothing that requires a calcium skeleton will be able to exist by the early 2030s in northern seas - it’s going to be a catastrophic collapse. Cnidaria look like they may end up being pretty much the sole survivors - it has happened before