Royal blue or emerald green
Water’s perfect profile rarely seen
Or the solution of keeping clear and clean
Childhood remembers streams pristine
New techniques covering control of the scene
Authors of science in bricked modern times
Research together in present climes
Say the pure liquid is hard to find.
***
The Bag Lady 
Nice! I like the rhymes. Also remembering the pristine childhood streams, I relate to that. You could scoop up water in your hands and drink it.
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Yes☺️
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Excellent use of all the words
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