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Holistic view
EVERY form of energy use WILL have some impact. Everything requires some energy input and transformation inefficiency. Wind? Killed birds. Nuclear? Risk of meltdown. Water temp changes. Hydro? displacement of communities.
Perhaps the least inefficient will be those with fewest moving parts > ie: PV. BUT the manufacture of PV systems requires some energy input/ losses. I would like to see closed-loop analysis of the various choices -- havent found anything convincingly honest yet.
Azmat anmalikyah2001-ctech@yahoo.com