Let's farm Azolla on a massive scale, trigger another Azolla event. https://en.m.wikipedia.org/wiki/Azolla_event https://en.m.wikipedia.org/wiki/Azolla_event

Let's farm Azolla on a massive scale, trigger another Azolla event. https://en.m.wikipedia.org/wiki/Azolla_event https://en.m.wikipedia.org/wiki/Azolla_event Also make it a law for buildings in urban environments to have white roofs. Heat islanding is a very real problem and just painting stuff white seems to help.