It’s not a coincidence that the plasticity and adaptivity we call life
evolved on a geological active planet. If there was not the latter, then
no liquid outer core, and no dynamo effect with protective magnetosphere
shielding us from the solar wind. Such unimpeded wind would erode away
the atmosphere and oceans.
A fault not residing with nature, but with our overwhelming successful agriculture,
has resulted in a hugh population. Nature’s Malthusian ways will ensue, if we are not more careful.
A large population is more vulnerable to natural disasters. Urbanization and
education are negative feedbacks on demographics. Such geological and
biological evolution has been with us for a very long time.
It would be highly improbable for it to end soon. Once life takes hold
on a geologically active planet (even perhaps for an ice covered rogue
planet) , it would seem probably quite robust to perturbation. If our star becomes a fission star
after using up it’s hydrogen fuel for fusion, then surface water and life would seem unlimited. TMM
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