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Searched for: Format is mp3
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This radio broadcast discusses the health problems associated with the town of Idrija, Slovenia, which was a center for mercury mining for about 500 years. A Slovenian chemist and expert in mercury points out that the...
This radio broadcast discusses how scientists' views of global warming have changed since the subject first emerged some 20 years ago. Topics include the nature of the warming process, once thought to be a gradual...
This radio broadcast discusses the boom in natural gas drilling in the Rocky Mountain region and is possible impacts on the environment. A resource advocate points out the issue of well density, which can range from...
This radio broadcast outlines the recent upsurge in gold mining, particularly small-scale operations, and the resulting problem of mercury pollution. A brief introduction to the use of mercury to separate gold is...
This radio broadcast features a researcher who noticed unusual behavior in elephants while working in a national park in Namibia. Groups of elephants sometimes stood perfectly still, as if trying to pick up faint...
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