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I know very little about this documentary, called 2040, beyond the fact that several people I respect are excited about it:
You can watch it for free here:
https://www.documentarymania.com/video/2040/
"When you go beyond the dominant media discourse, and get closer to the ground, you will see -- everywhere you look -- incredible reasons for hope."
-- Helena Norberg-Hodge as quoted in 2040.