The claim of electricity from the air as a renewable resource is controversialFrom The BBC:
Tiny charges gathered directly from humid air could be harnessed to generate electricity, researchers say.
Dr Fernando Galembeck told the American Chemical Society meeting in Boston that the technique exploited a little-known atmospheric effect.
Tests had shown that metals could be used to gather the charges, he said, opening up a potential energy source in humid climates.
However, experts disagree about the mechanism and the scale of the effect.
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My Comment: In a time of impending energy shortages (and high cost) .... I would not hesitate to look for alternatives.
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