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.
I’m not necessarily speaking for a short term solution, but keep in mind that solar is also exhorbitantly expensive compared to how much power it is.
Solar energy is like crypto-mining if the sun was a shitcoin, an expensive initial investment and long time to ROI. Solar panels are also like glass cannons, a single crack can reduce a panel’s effectiveness by 85%.