Every year the goalposts move a little bit. Thirty years ago the goal was ca. 0° of global warming. Now we're debating whether we can muster the political will to limit warming to 2° (unlikely) or 3°.
Right. They want regulation...but NOT THAT REGULATION!! No one will be able to agree on anything as politicians bounce between big donors bitching and various voter poll data.
Somewhere out in left field are the right things that need to be done.