Green news harvest: Tapping electricity in trees, solar-coated steel

Also: photovoltaic coatings for steel; wildfire warning systems to harness electricity from trees; fluorescent lightbulbs less green in some regions; record funding for green start-ups.

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Common battery myths that need to die

Sharon Profis busts a few overplayed battery myths on "You're Doing it All Wrong."

by Sharon Profis