We don't have a global political consensus that we should be spending massive amounts of money to reduce global warming at all and, more importantly, who will be paying for that.

A few reasons, but the major one is the lack of money interested in actually doing something about pulling the CO2 out of the atmosphere.

I actually worked on a solution for the money problem too (I got a bit obsessed with doing something about climate change back in 2007). This I have written about if anyone is interested [0].

0. https://www.tillett.info/2015/12/13/preventing-global-climat...

Probably because there is no quarterly profit associated with it.

Because the people who have the money to do it have absolutely no immediate incentive to do it.

Is there money in it?