Madeline Schreiber discusses arsenic and groundwater/rock interactions

Dr. Schreiber’s research program at Virginia Tech focuses on chemical hydrogeology. She and her students study the hydrologic and biogeochemical processes that influence the cycling of naturally-occurring and anthropogenic sources of contaminants.

In this video, Dr. Schreiber discusses the relationship between groundwater chemistry and arsenic release. Arsenic can be found in many minerals contained in aquifers but this harmful element does not always contaminate groundwater within the aquifer.

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The 2014 National Climate Assessment is released!

A public letter from:

Dr. John P. Holdren
Director, Office of Science and Technology Policy
The White House

climateassessment“Today, we released the third National Climate Assessment report, by far the most comprehensive look ever at climate change impacts in the United States.

Based on four years of work by hundreds of experts from government, academia, corporations, and public-interest organizations, the Assessment confirms ...

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