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RE: Future Technologies That We Would Today Consider Magic (Part II)
There are many ways to develope our energy sector, space exploration program or to turn our concrete cities into a green, friendly and (again) peaceful areas. The question is: how much time do we have? First: we don't know what will happen with Sun in few years - solar winds or coronal mass exjections could cause irreversible damages to our IT and energetic systems.
Second: some people take benefits from making cities more and more crowded, polluted and "greenless".
I think that we need to change our way of thinking if we want to make a progress in any of field of knowledge you've mentioned. Time is running out...
I agree with you that "profit making" seems to come in the way of a lot of these efforts and that we would need to change our thinking to make these a reality. Or there would be no Earth left to make these profits.