Lots of the latest on biochar research here...
http://www.biorenew.iastate.edu/events/biochar2010/conference-agenda/agenda-overview.html
Also, the North American Biochar Conference in August last year is covered in depth here,
http://cees.colorado.edu/northamericanbiochar.html
The Texcoco Marvel
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"*How Aztec engineers tamed an environmental nightmare gives a lesson for
today*"
*In August, 2022,* I described here on *The Great Change* how we had
a...
5 days ago