sometimes when i need more reading or inspiration...
as the topic of water availability has often come up here i thought i would post these two links which i find very interesting about the water issues of the USoA arid regions and some articles apply to the wider world.
(i really like this guys writings in general)
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(most recent article is very interesting too)
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and the permaculture org site i enjoy reading various things as they are from across the world:
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songbird