http://www.terra-preta-sanitation.net/cms/index.php?id=19
links here to work in the Philippines and Indonesia
http://www.sswm.info/category/implementation-tools/water-use/hardware/toilet-systems/terra-preta-toilet
Posts
Burke's Law
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"*An 18th-century Irish conservative foretold the new Cold War*"
*Edmund Burke was not, by temperament, a pessimist. *When he watched the
French Revo...
1 week ago
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