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There is a growing movement to measure the worth of nature by quantifying its economic value.  What, then, is the value of fireflies? 

<p>There is a growing movement to measure the worth of nature by quantifying its economic value.&nbsp; What, then, is the value of fireflies?&nbsp;</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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