Although not "new," my favorite Water Crisis solution is Rainwater harvesting. First, I understand that not all areas contain enough rainfall to harvest water (the average rainfall needs to be between 300mm - 500mm/yearly to be effective) but I feel that the areas do have that rainfall could switch rather easily. For example, I live in Vancouver, BC, Canada. We have a steady fresh water supply here (heck we sell half) yet that water we do use is coming from land. We, as vancouverites, could utilize rooftop rainwater harvesting to ease the pressure of off our natural environment. As a stretch, and only my opinion (i know nothing of cost and ability in this area), each apartment and rural block could be outfitted with a harvesting device and underground(?) tower to store the water. Each house could use that as needed. When it is empty we could continue using the environment as a backup instead of a primary.
If every community where to do that, some of the concerns such as over-use of the land-resources may be addressed and eased off of. I hope I grasped of this 'mission' properly.
Paul Zimeras
www.gatewaytherapy.ca
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