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View Resource Gas Pressure

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 four wells per square mile to sixteen, 32, or more, and results in fragmentation of habitat as well as an ugly industrial appearance. The clip is 2 minutes in length and is available...

View Resource The Price of a Mercury Mine

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 citizens of Idrija, proud of their industrial heritage, are reluctant to connect the health problems they experience with exposure to mercury. The clip is 2 minutes in length and is...

View Resource An Evolving Climate Picture

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 ratcheting-up, but now considered to be more unpredictable; the development of more powerful computers and more sophisticated modeling programs; the complex nature of the atmosphere,...

View Resource Earthwatch Radio: Vanishing Act in the Arctic

This radio broadcast features an expert in the study of the Arctic climate who has analyzed more than 20 years of satellite images that show the steady shrinking of the reflective ice cover of the Arctic Ocean. He points out that the disappearing ice cover is highly reflective and is being replaced by dark-colored ocean that absorbs more heat, and that the melting is accelerating. He also warns...

View Resource Earthwatch Radio: Rock Bottom

In this radio broadcast, a college geology department chairman explains that very few students currently entering college are choosing to study geology. He points out that most high schools teach little or no geology, many recent news stories involve geological issues, and that, for those who do study it, the job outlook is bright. The clip is 2 minutes in length.

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