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
A new crater on the Moon
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The scar on the lunar surface produced when the Israeli space probe
‘Beresheet’ slammed into the Moon on April 11 has just been spotted using
an orbiting N...
12 hours ago
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