It's no use going for collective blame and doomerism.
"We have nobody but ourselves to blame..." yeah, except that guy over there burning coal and guzzling fuel like there's no tomorrow. "The only way is to wipe humanity" ...or do something about it for once.
As long as we're here, no matter how bad it is, we have to step against it in the ways we can. It's not us who makes it so. We don't want that. And it's essential to make it a very clear and loud statement one can not turn away from.
Look up your local climate activist groups. See what can be done. Participate in protests. Do it.
Except we live in 2025, and we have modern green technology enabling us to do a lot of things differently.
We can get our power from renewables, and newest sodium battery/pumped hydro/thermal storage techniques are brilliant and more eco-friendly than ever. We now have modern green fabrics, hydrogen steel, etc. etc. We now have greener agriculture technologies, as well as efficient biogas collection and utilization. You can even make some polymers, like polyethylene, out of that alone!
We have what it takes to reverse course. But following that path means upsetting fossil giants, while also investing heavily into the infractructure. And right now, it is easier for politicians to ignore the passive crowd than it is to ignore their sponsors. We need to tilt that balance.