Could He Declare a Climate Emergency?

He didn't declare a climate emergency, but felt it coming. He's already done some of the things that people want him to do as part of declaring a climate emergency. The defense production act is something that shows up in this mansion stuff and it's also something that people have talked about as budget he would be able to access if he declares an emergency. Can he use executive power to get rid of the subsidies to fossil fuel companies? I mean, he promised to do thati so vever. But then, you know, like we're seeing what's in this mansion bill, don't i don't invision getting rid of subsidies for fossil field companies being something that they go for