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Counties are blocking wind and solar across the US
(www.usatoday.com)
This is a most excellent place for technology news and articles.
Assuming they can even get to our level, we already extracted the easily reachable fossil fuels and the circumstances that originally created them (lots of trees dying and not being broken down by fungi) probably won't ever reoccur.
Maybe something will turn all the plastic we're making into a new fossil fuel, but more likely any civilization that comes after us will be stuck in the bronze/iron age.