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This is extremely important: we are not at the point of no return.
Climate change can be stopped, even now. It will take lots of work, but it's possible.
ClimateAdam, who has a PhD in climate science from Oxford, made a video about this. It's 5 years old, but he's still making videos with similar points today. It's my understanding this is still the predominant view amongst climate scientists. The main reason I think this is that there aren't many calling for geoengineering, which if we were at the point of no return would be something we'd have to explore.
The reason this is so important is because as climate change denial becomes more and more infeasible, it will get replaced primarily with climate change defeatism. The sooner we start pushing back on this, the better.
No reasonable scientist is going to call for geoengineering unless they could be sure they are not making it worse. We are certainly in a point of no return in that we will not get back to 0 but until we are actually falling apart we won't know for sure if we can't survive at +3 or +5.
"Point of no return" is a simplistic concept. It depends on the your threshold for how bad it gets. Most climate scientists would agree that we're just at or about to pass the 1.5°C target. But they would also agree that ever extra fraction of a degree matters. It's not a question of "when are we fucked?" Its a question of "how quickly can we act to minimise severity of change?"
Source: am climate scientist, have been to a major climate conference in the last few months, and talk to other climate scientists regularly.
I am not a climate scientist and have not been to conferences but im a reasonably intelligent human who has five decades of experience on this planet and I can see we are already fucked in that things have changed in how the planet works. I see the storms (not just the news making ones but how unoften light rain has become around me and how often general storms have become), I see the flooding, I see the change in the seasons, etc. To me its now when are we fucked because again we already see that we are. To me its how roughly we want the fucking to be ultimately and can we bring it back down to a more tender and loving level.