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Leverage Points: Places to Intervene in a System
(
thesolutionsjournal.com
)
1 point
by
yamrzou
36 days ago
|
past
Making a Three-Stone Hearth as Efficient as an Improved Cookstove
(
thesolutionsjournal.com
)
84 points
by
nkurz
on Dec 20, 2015
|
past
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34 comments
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