for scene 73 of the video " Water Crisis: Healing the Colorado River - part 1" by Rolf Witzsche
here for a larger image
To restore rainfall to the 'normal' state
This doesn't mean that we don't also have the option as human beings, to shift the rain-producing boundary conditions in the natural rain-making process, to restore rainfall to conditions that have become the 'normal' state during the interglacial period of the last 12000 years, which is fast ending.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.