Good policies take years to gain support & acceptance but progress is possible.
1. Biden enacted 120 tax treaties in only 4 years.
2. With a planet on fire; the ICC is finally addressing the issue of ecocide as a crime against humanity
Taxation of oligarchs is only part of the issue.
If governments just use the tax revenue on fossil fuel subsidies or to provide backing for banks' pipeline loans, it is pointless to have a carbon tax or scams like carbon credits.