But economy, china, developing nations, my personal right to consumption, factor x is making this metric seem worse than it should be, another political thing is more important, technological solution Y will save us, technological solution Z won't help or has flaws... endless list of arguments that derail discussion and end up in effective inaction.

Humanity's capacity to handle an slow creeping existential threat appears to be very bad. Especially when preventing it requires simply stopping / doing less some of the things we are doing.

Apparently the production of greenhouse gasses has gone up in past years regardless of the negotiations aimed at reducing them.

I suspect geoengineering is where this will end up when things start to get really bad.

Question, what are the most viable / cost effective / low risk geoengineering tools?