[OT] water sites and permaculture

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) http://www.inkstain.net/fleck/
(most recent article is very interesting too) http://newswatch.nationalgeographic.com/blog/water-currents/
and the permaculture org site i enjoy reading various things as they are from across the world:
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