A Field Guide to Biochar Water Treatment
JKLow-cost DIY drinking water treatment using biochar to remove chemical pollutants.
| Platform |  | Pricing | Freemium | Publishes | Monthly |
|---|---|---|---|---|---|
| Issues | 103 | Subscribers | Read | joshkearns.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Updated solar biochar oven manual
FYI Version 1.4 of the Solar Powered Biochar Oven manual just posted.
How to build a solar powered biochar oven
Here’s an open-access graphical manual that describes how to build a biochar oven that’s heated using direct DC electricity from solar panels.
Updates coming soon...
Apologies for the recent lack of activity on this site/newsletter. It’s been a busy season and we have a bunch of projects all going on simultaneously. Everything is “in-progress,” and it can be hard to find pause-points to pull back and pu...
Response to recent earthquake in SE Asia
Our longtime collaborator Jon Jandai (Pi’ Jo) from Pun Pun was giving a workshop at a self-reliance learning center outside of Bangkok during last week’s earthquake centered in central Burma. [For updates on conditions in Burma, see reporti...
Authors
The writers behind this newsletter.
I am an environmental chemist and engineer with a specialty in appropriate technologies for low-resource settings.
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