Also “Fixing the problem himself”?

What do they think he could DO exactly?

Unless they’re saying they think Superman should take over the world

Because like, climate change isn’t being caused by one thing. It’s not a Captain Planet villain with a Pollution Ray. So short of Jon just conquering the earth and ordering every company everywhere to stop doing anything to pollute or he’ll put them in the Phantom Zone there isn’t any one thing he could do on his own to fix the problem