Category Archives: Historical

But First, a Movie!

Before we start on our adventure, let’s watch one, a movie made by the BBC about El Dorado,  the Lost City of Gold in the Amazon. Sit back and watch the show in full-screen by clicking the small box on … Continue reading

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Terra Preta Today

  Significant current research on Terra Preta is conducted at Cornell University by a team headed by Dr. Johannes Lehmann.    

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It Wasn’t All Preta…

In 2009, at a workshop on biochar at the Pony Farm in Temple, NH,  Hugh McLaughlin gave some history and ideas about the actual formation of the Black Earth.  First, most of it was not black.  There was Terra Mulata, … Continue reading

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Charcoal in American History

The Tri-State area where New York, Massachusetts, and Connecticut border each other was the home of military ironworks for the Revolution, the Civil War, etc. The forests were stripped of trees for charcoal needed to produce iron. Quite a few … Continue reading

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