I have bookmarked the National Geographic series you posted above - it looks like a revealing and well thought out look at the third rock from the Sun - Thank You ~
What troubles me, however, is our collective lack of appropriate response - we being Homo sapiens - some 200,000 to 300,000 years old.
Adam Frank’s book is really a thought experiment - 'was Enrico Fermi right to ask “Where is everybody?” '.
I am a geologist by training - perhaps a natural historian by inclination - or is it necessity ?
Life on Earth arose immediately it was chemically, physically, thermodynamically possible.
That was circa four billion years ago.
If we are the first truly self-aware technical species - why did it take so long ?
Is this normal throughout the Universe ?
Given time - given our nature - we could soon have answers.
But time may be the key.
How much time is there until we self-destruct as a high-civilization?
With high order intelligence - baggage appears to be hard to dispose of.
Baggage like religions.
The Easter Islanders certainly saw what was coming - how could they not !
But they cut down that last tree anyway, and remained in thrall to their religious enterprise right to the end - even perhaps, after collapse.
I am also a mountaineer and a pilot. They are very similar in many ways. Both professions abhor sloppy thinking and doing - even to the point of disparaging those who die - like the three ‘famous, world class’ mountaineers who just bought the farm here in western Canada a week or two ago - Roskelly et al.
My visceral reaction was - ‘what a stupid way to get killed - climbing in those conditions.’
That is not politically correct of course - but it is exactly how pilots and test pilots feel generally about human error crash and burns.
There is very little margin for error in mountains or in the air.
Yet I feel surrounded by very politically correct voters, who promptly elect morons to rule over them.
They wouldn’t survive long in either the mountains or in the air - but there you are - all on Spaceship Earth.
No wonder Elon Musk wants to go to Mars - Daniel Boone syndrome I suppose.
Anyway, I don’t participate much on any forums anymore - just made an exception here I guess.