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After World War II, the DuPont chemical company began marketing Teflon, the miraculous-seeming nonstick agent sold on pots and pans around the world.

<p>After World War II, the DuPont chemical company began marketing Teflon, the miraculous-seeming nonstick agent sold on pots and pans around the world.</p>

The Environment in Focus, hosted by Tom Pelton, is a weekly perspective on the issues and people changing our natural world.  Pelton is a national award-winning environmental journalist, author, and public radio host.

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