amorylovinsesalen2007
Advanced Energy Efficiency for Profitable Climate Protection
Here's the place where participants in Amory Lovins' 2007 Esalen workshop can continue the discussions that started at our Advanced Energy Efficiency weekend.
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Created: Dec 03, 2007
Updated: Sep 23, 2009
Membership: Open
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Towards an Urban Permaculture
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Three years old but right up to the moment.
Hi,
From my work at sustainable urban water systems, including dry sanitation and separate urine collection I would be interested to know whether urine is an acceptable fertiliser in permaculture.
To collect urine separately in what we call Urine Diversion Dehydration Toilets (awful name, UDDTs) has the advantage to improve composting of faeces and to lead to clean urine, which, after some storage time, is hygienically safe and contains substantial amounts of nitrogen, phosphorus and potassium.
To make sense this should be used as fertiliser without too much transport, thus right at the place of production in town.
If that is possible, such dry sanitation systems could replace wet sanitation, saving a lot of water and energy, reducing infrastructure cost and complexity, protecting the environment from nutrient emmissions into water bodies and providing fertiliser at the place where the food is needed.
Looking forward to your point of view and valued recommendations.
Martin