A BBC television program back in 2002 that generated significant interest in biochar.

The Secret of El Dorado – Terra Preta


Please visit our Biochar YouTube playlist (including a link to the full “Secret of El Dorado – Terra Preta” documentary):–3AtJf4hW9yq5qdD1em


Also, please visit John Newlin’s Google+ website, which contains some videos on Vimeo about biochar.


Photos and videos taken by Kelpie Wilson at the November 2014 Biochar School at Swallow Valley Farm in Sonoma, California:



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