Consider the Elon Musk Mars Fantasy

Yes, there is evidence for this. You want the right mix of inorganic chemicals and then some source of ionising radiation - typically a young star. Which is another little twist in the story of life on Earth: the early Earth had no O2 later (little or no free atmospheric oxygen) so ultraviolet radiation from thfvdun played an important role.
 
Good quote tobydog!

It was Arthur C. Clarke wot said it.

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Halve the humans and the problem would decrease substantially.
That nails it. For the world to live the "american dream" we would need 7 Earths. 8 gig would have to live like the 3'rd world and we might just
work it out. No cars/planes ... no consumerism. Any product would last a hundred years and be repairable.
NOPE , they won't go for it - they would push the big red button to save the "superyacht" Yah !
Or have a insurrection (civil war) over 5$ petrol and inflation. Humans are spoiled....
OS
 
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Halve the humans and the problem would decrease substantially. Get rid of plastic containers and packaging and the sea will feed everyone many times over.
YES > we are overpopulating, but the structure of 'first world' economics seems to inexorably rely on this. (a snake eating its tail)
Regarding plastics, I have a few passionate beliefs:
*1 First world nations don't throw about plastics 'willy nilly' creating land & water pollution.
*2 So long as it is NOT above aquafers & water-tables, we have the 'simple miracle' of burying plastics. (they do not fume such as organic matter)
*3 There is a whole new, not yet utilized industry using MIXED PLASTICS as long lasting building products.
*4 We are progressively reducing the range of consumer plastics > thereby increasing the ability of recycling.

I SAY > What we are putting into our atmosphere IS far more of a problem by an order of magnitude, and we should urgently address it 😎

PS. We are actually over-fishing coastal oceans.
 
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Then again if I asked you in 1980 or 1990
if you could land a rocket backwards.
Or land a booster under power not parachute.
Or however you can describe it.
The answer is a very highly unlikely NO.

But here we are LOL.

I built model rockets and cars as a kid.
Then with more money built real cars.
Never had enough to build rockets.
If I had the money. Im sure me and many others
would be building them.
Low earth orbit, becomes boring after a bit.
Being it was done in the 60's


 
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That of course is also a good answer for mars and other endeavors in the future, the technology may not be there today, but as long as it doesn't violate physical laws it probably will tomorrow.

The world I grew up in is largely gone, the internet and incomprehensible computing power in the palm of your hand are just a few of the changes. I do wish supersonic transport was still a thing - the economics didn't add up I guess.