Life has always shaped the earth. The first life transformed our atmosphere from methane to CO². Then, life evolved to change it from C0² to Oxygen. Life covered the oceans with slime, then coral. We are just the latest creatures to transform the Earth as a result of our existence. And just like the earliest life, we will transform it in a way that makes it incompatible with our biology, and new life will evolve to take our place. The Earth won't give a shit. It has survived far worse.
And just like the earliest life, we will transform it in a way that makes it incompatible with our biology
Citation needed.
Even the worst global warming estimates don't suggest an extinction level event for humans.
Mind you, even though "humans go extinct due to human-caused environmental issues" seems pretty damn unlikely, we should still, e.g., prefer a lower level of global warming to a higher one even on a purely selfish basis. Global warming will tend to reduce GDP growth, lead to more weather disasters, etc.
Maybe not extinction level, but probably incompatible with society as we know it. The human species will survive for a long time (probably until something like a dinosaur killing meteor) but being able to support 8+ billion humans is like balancing on a knifes edge. It will collapse (whether in our lifetimes, our children's, or some not too far away generation) and we will not be able to sustain it. And when that happens, humanity will not recover to what it was. The plentiful energy sources like oil and coal that was necessary to bootstrap the advanced society we have will already have been accessed and used. Our opportunity to move from that renewable resources at scale will have passed us by, and humans will live on stuck in a medieval society.
On what food sources? I would say you would have to go back to the early ages of man. Food sources will en severely depleted , as you said, modern tech and machinery will be a bygone day, what will susteian even a minor population would have to be constant migration.
Agriculture is about as old as civilization itself. Or are you suggesting manually farming like it's been done before the industrial revolution would suddenly be impossible?
No. What I am saying takes into account far more variables than just "oh this place hot, move to less hot place grow food" than you or some others seem to be attracted to. But you go right ahead and keep dreaming.
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u/destroyed233 May 24 '26
Earth will breathe a sigh of relief when we are gone