5280, aka The Denver Magazine, has a great long form piece about a multi-million dollar ponzi scheme run by a couple of guys selling the dream of clean energy. The main perpetrator of the scheme, Wayde McKelvy, sold investors on the idea that his company was going to rake in big bucks by developing the country's first CO2-negative community and by converting garbage into biochar. In all he fleeced investors out of $35 million dollars.
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