> will usually cause an algae bloom, which eventually die and take the carbon they fixed to the bottom It works so well that this could even be how the current

> will usually cause an algae bloom, which eventually die and take the carbon they fixed to the bottom It works so well that this could even be how the current "icehouse earth" conditions got started in the first place. The Azolla bloom of 49 ma dropped atmospheric CO2 levels from 3500ppm to 650ppm in less than 1 my, and CO2 has been in that lower range ever since. https://en.m.wikipedia.org/wiki/Azolla_event https://en.m.wikipedia.org/wiki/Azolla_event