USGS CoreCast
It's natural science from the inside out.
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More than 20 percent of private, domestic wells contain at least one contaminant at levels of potential health concern. About 43 million people—or 15 percent of the Nation's population—use drinking water from private wells, which are not regulated by the Federal Safe Drinking Water Act. USGS scientist Leslie Desimone discusses the new study, the contaminants found, and the implications for society. (5:30) | Transcript/Links | Download directly (5.12 MB) (right-click to save) |
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You might be surprised where minerals pop up; they're just about everywhere. We sit down with Kathleen Johnson, USGS Mineral Resources Program Coordinator, as she walks us through just how valuable minerals are to our lives. (9:13) | Transcript/Links | Download directly (8.52 MB) (right-click to save) |
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