In short, we aren’t on track to an apocalyptic extinction, and the new head is concerned that rhetoric that we are is making people apathetic and paralyzes them from making beneficial actions.
He makes it clear too that this doesn’t mean things are perfectly fine. The world is becoming and will be more dangerous with respect to climate. We’re going to still have serious problems to deal with. The problems just aren’t insurmountable and extinction level.
We need something like the doomsday clock but with the degrees C change forecast based on current emissions and efforts.
We have this:
https://climateclock.world/
But I think it would be useful to have the current trajectory (in degrees C) along with a table showing the consequences of each 0.5 to 1C