Has anyone considered the possibility we are lemmings headed for a cliff? The world's population has tripled in the last 70 years and that was made possible by fossil fuels. Even where electricity comes almost totally from renewable sources it only supplies around 20% of total energy use. Maybe our present civilization isn't sustainable without fossil fuels. Maybe mankind has headed up a blind alley and will have to go a fair distance backwards before it can head off in another direction.
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