Don’t think I need to summarize this one. This is bad news for everyone.

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46 points

Humanity will be just another dead branch on the tree of life

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29 points

Humans are pretty resilient. Adaptable to any climate, even the mess of a climate we created.

Now, I’m not saying that all 8 billion of us will survive.

What I’m saying is, the minimum viable genetic population for humans is about 2000 individuals.

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6 points

Yep, there will always be humans as long as there is literally anything we can hunt/forage and eat.

If that will resemble what we perceive as civilisation is another question entirely.

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3 points

How much can you forage in the bush’s of human civilization? Not much grows in abandoned cites.

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10 points

When food runs out for even a portion of those 8 billion, results are gonna be nasty.

It’s hard to talk about climate initiatives when 1/3 of the planet is shooting eatch other. In worst case with nukes.

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1 point
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“There are only nine meals between mankind and anarchy”

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3 points

I thought it was 500. I think I even read that 50 might be enough by some estimates.

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2 points

I’ve seen some of the same estimates. I settled on 2K because that’s what is estimated to have survived the To a supervolcano. Or rather the non-African population that survived.

Homosapiens in Africa actually did quite well comparatively.

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2 points
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50 if you’re carefully planning breeding.

2000 for a good chance to persist long-time under normal breeding conditions

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1 point

Right. We survived the ice age with stone age tech.

Not saying that this makes any of this OK but resilience is absolutely one of humanities highest spec traits.

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1 point

Humanity is the only species capable of the arrogance required to believe we deserve to endure. Our survival instincts are ultimately self-defeating because we refuse to evolve socially. Instead we make wars and loot resources, rinse and repeat.

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1 point
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at least its self-pruning

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