Tipping points are contentious - some seem to have happened already, and they're only clear in hindsight. But we are approaching peak global emisisons, at last

Tipping points are contentious - some seem to have happened already, and they're only clear in hindsight. But we are approaching peak global emisisons, at last (a human and good tipping point)!, and cheap solar is a big chunk of that. Atmospheric scrubbing doesn't scale so good.