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Aren’t we at the point of no return?
Passed it a while ago. That doesn't mean we can't slow down.
Humanity will evolve to deal with the changes, maybe. Maybe not.
It's not an on/off switch. Everything we can do will lessen the impact even if it can't be stopped.
But as others mention, real impact comes from governments and international cooperation, not individual actions. Hence why voting is so important.
There's always damage control that can be done
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.
"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.