It's not the frenzy of 1849, but gold mining is quietly making a comeback in California. While some communities are concerned about the environmental costs, others see the chance for a "greener" gold rush.
A collaboration of six public broadcasters around the country, QUEST is a multimedia series that strives to deepen our understanding of some of today’s most pressing sustainability topics through articles, videos, radio reports, television broadcasts, and educational materials.
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QUEST is funded by the National Science Foundation.