3 billion people
They also said in the documentary that we will get 3 billion more people, i.e. 10 (!) billion people! What year it didn't say, if I recall correct.
So maybe the people are the problem. So what to do with the people?
And letting everyone commute to work and school efficiently every day sounds really outlandish. Hope we can, but hope is time consuming. Better we go for the real solution right away. What now that can be.
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