The first step required to prevent this disaster is in the last paragraph of this article and is simpler than you might imagine.

https://www.theguardian.com/environment/2025/feb/04/climate-change-target-of-2c-is-dead-says-renowned-climate-scientist

Climate change target of 2C is ‘dead’, says renowned climate scientist

Prof James Hansen says pace of global heating has been significantly underestimated, though other scientists disagree

The Guardian