Across the country, billboards are springing up. They feature an image that is arresting—smoke spewing from a coal plant, a massive power plant behind a school, or the hulking industrial frame of an oil refinery—and a simple question written in plain letters. "What is American Power?"
Taken from photographer Mitch Epstein's book American Power, the question is a starting point for a much deeper exploration—and the path it reveals is a complex one.
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Image credit: Mitch Epstein, American Power