this post was submitted on 20 Aug 2024
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[–] troyunrau@lemmy.ca 65 points 2 months ago (53 children)

Scientist piping in with my two cents. Granted my speciality is geophysics and planetary science, and not specifically climate.

In geoscience we tend to talk about things on very long timescales. Like: at what point with the sun's output cause the earth to turn into Venus (250 million years as a lower bound, ish, then all life is doomed on Earth). The rate of change we've applied to our atmosphere is faster than any natural process other than a meteor strike or similar event. There are climate change scenarios where all life on the planet dies (why wait 250 million years!?), but they're mostly improbable unless we have some sort of runaway feedback mechanism we've not accounted for. 2/3 of humans dying is also unlikely. Coastline and ecosystem disruption are almost certain though.

The thing about humans are: we are frighteningly clever. We can build spacecraft that can survive the harsh environment in space and people survive there. As long as climate change doesn't happen "too fast" (values of "too fast" may vary), we will engineer our way around it. On the small scale: air conditioning; and on the larger scale, geo-engineering (after accumulating sufficient political will). We're so clever that, if we (or our descendants or similar) can probably even save the earth in 250 million years when the sun's output passes the threshold where it wants to fry us -- assuming we survive that long.

That doesn't detract from her statement. But it is the Mirror, and the headlight is trying to be incendiary.

[–] sugartits@lemmy.world 16 points 2 months ago (4 children)

The thing about humans are: we are frighteningly clever

Let me introduce you to Facebook.

[–] ms_lane@lemmy.world 10 points 2 months ago (3 children)

Allow me to introduce you to: an abstract concept of facebook-

People, separated by thousands of miles, tap messages into their glass topped smart rocks that can then be seen by other people with smart rocks - it does this communicating with big metal trees that talk to magic caves, where millions of smart rocks think about those messages and pass them over to other magic caves by a glass wire, which in turn pass the messages to another metal tree and over to other glass topped smart rocks for people to read.

[–] wondrous_strange@lemmy.world 3 points 2 months ago (1 children)

Well, how many of them actually has the vaugest idea on even small part of the mechanics of it? How many of them are just ignoring the wonders of the technology and just using it to spread hate and stupidity? Which is more dominate? The stupid part or the clever part?

[–] Hazor@lemmy.world 3 points 2 months ago (1 children)

And which ones are reproducing more?

[–] wondrous_strange@lemmy.world 3 points 2 months ago

Yup, that as well

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