The Texcoco Marvel
-
"*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
This site has been created to facilitate the establishment of a South East Asian biochar interest group. BIG-SEA could provide communication and linkage between biochar researchers, farmers, related industry and supporting organisations, interested in tropically focused biochar industry development. Please get in touch if you are interested in supporting or participating in this effort.
Elmer Sayre inspecting specialized dry toilet bowls |