Which was locally recently show to be ineffective - https://biv.com/article/2020/08/bc-carbon-tax-ineffective-ce...
https://phys.org/news/2020-01-british-carbon-tax-coal-fired-...
There is at least some evidence of success in the UK (combined with other policy + economic reality). Our climate policy is probably the only thing the government have done well recently - dwarfed by the impending iceberg of Brexit.
The article also clearly mentions that the ineffectiveness is caused by the fact that the carbon tax is too low.
Come on if you're going to link an article then don't pick one that is showing a different picture than your comment. All it showed is that governments refuse to implement effective policies, not that the concept of a carbon tax itself is flawed.
2) Carbon Taxes everywhere
3) Eliminate coal power from the developing world, even if it means switching to gas in the short term.
4) CCS - current efforts already seem surprisingly doable (single digit trillions IIRC)