It was a balmy spring evening when I launched my kayak into Seneca Creek, about 15 minutes northwest of Potomac, Maryland.

<p>It was a balmy spring evening when I launched my kayak into Seneca Creek, about 15 minutes northwest of Potomac, Maryland.</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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