Fortunately we can look serenely back across the gulf of Deep Time and know that thanks to human intelligence, ingenuity, and awareness, we're safe from such disasters today.

Uh ... hello? Is this thing on?

https://www.cambridge.org/core/journals/paleobiology/article/marine-biological-responses-to-abrupt-climate-change-in-deep-time/AA2E06A402AF8344F44FDF3EEF44E3D0